Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability

zetlyn/cve-nvd vulnerability cve CVE-2026-88779 cpe cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:* cpe cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:* cpe cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:* cpe cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:* known 2026-10-04

https://nvd.nist.gov/vuln/detail/CVE-2026-88779

Properties

automatableyes
An attacker can reliably run all of the kill chain's first four steps without a person.
receipt
Source
NVD
Its words
yes
Read by
field:cve.metrics.ssvcV203[].ssvcData.options[].automatable
Said since
2026-10-06 12:31 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:31 UTCyes
2026-10-04 06:13 UTC—
What the source handed over
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    "lastModified": "2026-10-05T13:35:24.663",
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cvss7.5
receipt
Source
NVD
Its words
7.5
Read by
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Said since
2026-10-05 18:25 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-05 18:25 UTC7.5
2026-10-04 06:13 UTC—
What the source handed over
{
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cvss48.7
receipt
Source
NVD
Its words
8.7
Read by
field:cve.metrics.cvssMetricV40[type=Primary].cvssData.baseScore || field:cve.metrics.cvssMetricV40[].cvssData.baseScore
Said since
2026-10-06 12:31 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:31 UTC8.7
2026-10-04 06:13 UTC—
What the source handed over
{
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      }
    ],
    "id": "CVE-2026-88779",
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            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
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}
cvss4_vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
receipt
Source
NVD
Its words
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Read by
field:cve.metrics.cvssMetricV40[type=Primary].cvssData.vectorString || field:cve.metrics.cvssMetricV40[].cvssData.vectorString
Said since
2026-10-06 12:31 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:31 UTCCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
2026-10-04 06:13 UTC—
What the source handed over
{
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            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
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}
cvss_vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
receipt
Source
NVD
Its words
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Read by
field:cve.metrics.cvssMetricV31[type=Primary].cvssData.vectorString || field:cve.metrics.cvssMetricV31[].cvssData.vectorString
Said since
2026-10-06 12:31 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:31 UTCCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2026-10-04 06:13 UTC—
What the source handed over
{
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      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "ADC",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
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                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "14.1-73.41 FIPS",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-37.282",
                "status": "affected",
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                "versionType": "Patch"
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          },
          {
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            "product": "Gateway",
            "vendor": "NetScaler",
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                "status": "affected",
                "version": "0",
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              },
              {
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                "status": "affected",
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                "versionType": "Patch"
              }
            ]
          }
        ],
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5"
      }
    ],
    "cisaActionDue": "2026-10-07",
    "cisaExploitAdd": "2026-10-04",
    "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
    "cisaVulnerabilityName": "Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability",
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
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                "versionEndExcluding": "13.1-37.282",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*",
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                "versionEndExcluding": "13.1-37.282",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "1A3802BF-8836-4B1C-9C5E-BE6492D42847",
                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "92D219C6-E418-4AC1-9D9D-20F939914F0B",
                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
                "matchCriteriaId": "EBB3AD2A-AAE0-4A56-A36D-A327EB39792A",
                "versionEndIncluding": "14.1-73.41",
                "versionStartIncluding": "14.1-66.68",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "C4B364B5-3ED9-4C84-9D09-6C79D7A66E94",
                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "33BB8BC4-DFDF-4760-9C92-129615BE7831",
                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.\n\nThis issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28."
      }
    ],
    "id": "CVE-2026-88779",
    "lastModified": "2026-10-05T13:35:24.663",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-88779",
            "options": [
              {
                "exploitation": "active"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-10-04T00:00:00+00:00",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-10-04T04:16:43.680",
    "references": [
      {
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "Mitigation",
          "Vendor Advisory"
        ],
        "url": "https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-netscaler-gateway/"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "US Government Resource"
        ],
        "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779"
      }
    ],
    "sourceIdentifier": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-119"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}
cweCWE-119
receipt
Source
NVD
Its words
CWE-119
Read by
field:cve.weaknesses[].description[].value
Said since
2026-10-06 12:31 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:31 UTCCWE-119
2026-10-04 06:13 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "ADC",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-64.28",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "14.1-73.41 FIPS",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-37.282",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          },
          {
            "defaultStatus": "unaffected",
            "product": "Gateway",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-64.28",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          }
        ],
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5"
      }
    ],
    "cisaActionDue": "2026-10-07",
    "cisaExploitAdd": "2026-10-04",
    "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
    "cisaVulnerabilityName": "Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability",
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
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                "versionEndExcluding": "13.1-37.282",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
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                "matchCriteriaId": "6F6A3D5D-1861-4974-B091-26E87FB1D6B4",
                "versionEndExcluding": "13.1-37.282",
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                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
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                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
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                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
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                "versionEndIncluding": "14.1-73.41",
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                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "C4B364B5-3ED9-4C84-9D09-6C79D7A66E94",
                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "33BB8BC4-DFDF-4760-9C92-129615BE7831",
                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.\n\nThis issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28."
      }
    ],
    "id": "CVE-2026-88779",
    "lastModified": "2026-10-05T13:35:24.663",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-88779",
            "options": [
              {
                "exploitation": "active"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-10-04T00:00:00+00:00",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-10-04T04:16:43.680",
    "references": [
      {
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "Mitigation",
          "Vendor Advisory"
        ],
        "url": "https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-netscaler-gateway/"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "US Government Resource"
        ],
        "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779"
      }
    ],
    "sourceIdentifier": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-119"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}
exploitationactive
Reliable evidence that it is exploited in the wild.
receipt
Source
NVD
Its words
active
Read by
field:cve.metrics.ssvcV203[].ssvcData.options[].exploitation
Said since
2026-10-06 12:31 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:31 UTCactive
2026-10-04 06:13 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "ADC",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-64.28",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "14.1-73.41 FIPS",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-37.282",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          },
          {
            "defaultStatus": "unaffected",
            "product": "Gateway",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-64.28",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          }
        ],
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5"
      }
    ],
    "cisaActionDue": "2026-10-07",
    "cisaExploitAdd": "2026-10-04",
    "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
    "cisaVulnerabilityName": "Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability",
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
                "matchCriteriaId": "3BBEE3C6-8CDE-4E13-8D7F-1DC21DE216B8",
                "versionEndExcluding": "13.1-37.282",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*",
                "matchCriteriaId": "6F6A3D5D-1861-4974-B091-26E87FB1D6B4",
                "versionEndExcluding": "13.1-37.282",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "1A3802BF-8836-4B1C-9C5E-BE6492D42847",
                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "92D219C6-E418-4AC1-9D9D-20F939914F0B",
                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
                "matchCriteriaId": "EBB3AD2A-AAE0-4A56-A36D-A327EB39792A",
                "versionEndIncluding": "14.1-73.41",
                "versionStartIncluding": "14.1-66.68",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "C4B364B5-3ED9-4C84-9D09-6C79D7A66E94",
                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "33BB8BC4-DFDF-4760-9C92-129615BE7831",
                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.\n\nThis issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28."
      }
    ],
    "id": "CVE-2026-88779",
    "lastModified": "2026-10-05T13:35:24.663",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-88779",
            "options": [
              {
                "exploitation": "active"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-10-04T00:00:00+00:00",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-10-04T04:16:43.680",
    "references": [
      {
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "Mitigation",
          "Vendor Advisory"
        ],
        "url": "https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-netscaler-gateway/"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "US Government Resource"
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        "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779"
      }
    ],
    "sourceIdentifier": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
    "vulnStatus": "Analyzed",
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            "lang": "en",
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        ],
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        "type": "Secondary"
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    ]
  }
}
fixed_in14.1-73.41, 13.1-64.28, 13.1-37.282
receipt
Source
NVD
Its words
14.1-73.41, 13.1-64.28, 13.1-37.282
Read by
field:cve.affected[].affectedData[].versions[status=affected].lessThan
Said since
2026-10-06 12:31 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:31 UTC14.1-73.41, 13.1-64.28, 13.1-37.282
2026-10-04 06:13 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "ADC",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-64.28",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "14.1-73.41 FIPS",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-37.282",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          },
          {
            "defaultStatus": "unaffected",
            "product": "Gateway",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-64.28",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          }
        ],
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5"
      }
    ],
    "cisaActionDue": "2026-10-07",
    "cisaExploitAdd": "2026-10-04",
    "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
    "cisaVulnerabilityName": "Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability",
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
                "matchCriteriaId": "3BBEE3C6-8CDE-4E13-8D7F-1DC21DE216B8",
                "versionEndExcluding": "13.1-37.282",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*",
                "matchCriteriaId": "6F6A3D5D-1861-4974-B091-26E87FB1D6B4",
                "versionEndExcluding": "13.1-37.282",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "1A3802BF-8836-4B1C-9C5E-BE6492D42847",
                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "92D219C6-E418-4AC1-9D9D-20F939914F0B",
                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
                "matchCriteriaId": "EBB3AD2A-AAE0-4A56-A36D-A327EB39792A",
                "versionEndIncluding": "14.1-73.41",
                "versionStartIncluding": "14.1-66.68",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "C4B364B5-3ED9-4C84-9D09-6C79D7A66E94",
                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "33BB8BC4-DFDF-4760-9C92-129615BE7831",
                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.\n\nThis issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28."
      }
    ],
    "id": "CVE-2026-88779",
    "lastModified": "2026-10-05T13:35:24.663",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-88779",
            "options": [
              {
                "exploitation": "active"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-10-04T00:00:00+00:00",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-10-04T04:16:43.680",
    "references": [
      {
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
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          "Vendor Advisory"
        ],
        "url": "https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-netscaler-gateway/"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "US Government Resource"
        ],
        "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779"
      }
    ],
    "sourceIdentifier": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-119"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}
productADC
receipt
Source
NVD
Its words
ADC
Read by
field:cve.affected[].affectedData[].product
Said since
2026-10-04 06:13 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "ADC",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-64.28",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "14.1-73.41 FIPS",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-37.282",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          },
          {
            "defaultStatus": "unaffected",
            "product": "Gateway",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-64.28",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          }
        ],
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5"
      }
    ],
    "cisaActionDue": "2026-10-07",
    "cisaExploitAdd": "2026-10-04",
    "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
    "cisaVulnerabilityName": "Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability",
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
                "matchCriteriaId": "3BBEE3C6-8CDE-4E13-8D7F-1DC21DE216B8",
                "versionEndExcluding": "13.1-37.282",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*",
                "matchCriteriaId": "6F6A3D5D-1861-4974-B091-26E87FB1D6B4",
                "versionEndExcluding": "13.1-37.282",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "1A3802BF-8836-4B1C-9C5E-BE6492D42847",
                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "92D219C6-E418-4AC1-9D9D-20F939914F0B",
                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
                "matchCriteriaId": "EBB3AD2A-AAE0-4A56-A36D-A327EB39792A",
                "versionEndIncluding": "14.1-73.41",
                "versionStartIncluding": "14.1-66.68",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "C4B364B5-3ED9-4C84-9D09-6C79D7A66E94",
                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "33BB8BC4-DFDF-4760-9C92-129615BE7831",
                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.\n\nThis issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28."
      }
    ],
    "id": "CVE-2026-88779",
    "lastModified": "2026-10-05T13:35:24.663",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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              {
                "exploitation": "active"
              },
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                "automatable": "yes"
              },
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              }
            ],
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            "timestamp": "2026-10-04T00:00:00+00:00",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-10-04T04:16:43.680",
    "references": [
      {
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
        "tags": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        ],
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      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "US Government Resource"
        ],
        "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779"
      }
    ],
    "sourceIdentifier": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
    "vulnStatus": "Analyzed",
    "weaknesses": [
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            "lang": "en",
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          }
        ],
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        "type": "Secondary"
      }
    ]
  }
}
severityHIGH
From 7.0 to 8.9.
receipt
Source
NVD
Its words
HIGH
Read by
field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseSeverity || field:cve.metrics.cvssMetricV31[].cvssData.baseSeverity
Said since
2026-10-06 12:31 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:31 UTCHIGH
2026-10-04 06:13 UTC—
What the source handed over
{
  "cve": {
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      {
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          {
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            "product": "ADC",
            "vendor": "NetScaler",
            "versions": [
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                "status": "affected",
                "version": "0",
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              },
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                "status": "affected",
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                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-37.282",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          },
          {
            "defaultStatus": "unaffected",
            "product": "Gateway",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-64.28",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          }
        ],
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5"
      }
    ],
    "cisaActionDue": "2026-10-07",
    "cisaExploitAdd": "2026-10-04",
    "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
    "cisaVulnerabilityName": "Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability",
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
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                "versionEndExcluding": "13.1-37.282",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*",
                "matchCriteriaId": "6F6A3D5D-1861-4974-B091-26E87FB1D6B4",
                "versionEndExcluding": "13.1-37.282",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "1A3802BF-8836-4B1C-9C5E-BE6492D42847",
                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "92D219C6-E418-4AC1-9D9D-20F939914F0B",
                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
                "matchCriteriaId": "EBB3AD2A-AAE0-4A56-A36D-A327EB39792A",
                "versionEndIncluding": "14.1-73.41",
                "versionStartIncluding": "14.1-66.68",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "C4B364B5-3ED9-4C84-9D09-6C79D7A66E94",
                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "33BB8BC4-DFDF-4760-9C92-129615BE7831",
                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.\n\nThis issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28."
      }
    ],
    "id": "CVE-2026-88779",
    "lastModified": "2026-10-05T13:35:24.663",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
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          "type": "Secondary"
        }
      ],
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          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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              {
                "technicalImpact": "partial"
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            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-10-04T00:00:00+00:00",
            "version": "2.0.3"
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        }
      ]
    },
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    "references": [
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        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
        "tags": [
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      },
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        "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779"
      }
    ],
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  }
}
statusAnalyzed
receipt
Source
NVD
Its words
Analyzed
Read by
field:cve.vulnStatus
Said since
2026-10-05 18:25 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-05 18:25 UTCAnalyzed
2026-10-05 12:23 UTCUndergoing Analysis
2026-10-04 06:13 UTCReceived
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "ADC",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
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                "status": "affected",
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              },
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                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-37.282",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          },
          {
            "defaultStatus": "unaffected",
            "product": "Gateway",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-64.28",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          }
        ],
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5"
      }
    ],
    "cisaActionDue": "2026-10-07",
    "cisaExploitAdd": "2026-10-04",
    "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
    "cisaVulnerabilityName": "Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability",
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
                "matchCriteriaId": "3BBEE3C6-8CDE-4E13-8D7F-1DC21DE216B8",
                "versionEndExcluding": "13.1-37.282",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*",
                "matchCriteriaId": "6F6A3D5D-1861-4974-B091-26E87FB1D6B4",
                "versionEndExcluding": "13.1-37.282",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "1A3802BF-8836-4B1C-9C5E-BE6492D42847",
                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "92D219C6-E418-4AC1-9D9D-20F939914F0B",
                "versionEndExcluding": "14.1-73.41",
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              },
              {
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                "versionEndIncluding": "14.1-73.41",
                "versionStartIncluding": "14.1-66.68",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
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        ]
      }
    ],
    "cveTags": [],
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        "lang": "en",
        "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.\n\nThis issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28."
      }
    ],
    "id": "CVE-2026-88779",
    "lastModified": "2026-10-05T13:35:24.663",
    "metrics": {
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            "confidentialityImpact": "NONE",
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            "privilegesRequired": "NONE",
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            "exploitMaturity": "NOT_DEFINED",
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            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
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          },
          "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
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              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-10-04T00:00:00+00:00",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-10-04T04:16:43.680",
    "references": [
      {
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "Mitigation",
          "Vendor Advisory"
        ],
        "url": "https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-netscaler-gateway/"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "US Government Resource"
        ],
        "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779"
      }
    ],
    "sourceIdentifier": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-119"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}
technical_impactpartial
The attacker gains limited control, or limited information.
receipt
Source
NVD
Its words
partial
Read by
field:cve.metrics.ssvcV203[].ssvcData.options[].technicalImpact
Said since
2026-10-06 12:31 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:31 UTCpartial
2026-10-04 06:13 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "ADC",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-64.28",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "14.1-73.41 FIPS",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-37.282",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          },
          {
            "defaultStatus": "unaffected",
            "product": "Gateway",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-64.28",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          }
        ],
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5"
      }
    ],
    "cisaActionDue": "2026-10-07",
    "cisaExploitAdd": "2026-10-04",
    "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
    "cisaVulnerabilityName": "Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability",
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
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                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*",
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                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
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                "versionEndExcluding": "13.1-64.28",
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              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
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                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
                "matchCriteriaId": "EBB3AD2A-AAE0-4A56-A36D-A327EB39792A",
                "versionEndIncluding": "14.1-73.41",
                "versionStartIncluding": "14.1-66.68",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "C4B364B5-3ED9-4C84-9D09-6C79D7A66E94",
                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "33BB8BC4-DFDF-4760-9C92-129615BE7831",
                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.\n\nThis issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28."
      }
    ],
    "id": "CVE-2026-88779",
    "lastModified": "2026-10-05T13:35:24.663",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-88779",
            "options": [
              {
                "exploitation": "active"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-10-04T00:00:00+00:00",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-10-04T04:16:43.680",
    "references": [
      {
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "Mitigation",
          "Vendor Advisory"
        ],
        "url": "https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-netscaler-gateway/"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "US Government Resource"
        ],
        "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779"
      }
    ],
    "sourceIdentifier": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-119"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}
vendorNetScaler
receipt
Source
NVD
Its words
NetScaler
Read by
field:cve.affected[].affectedData[].vendor
Said since
2026-10-04 06:13 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "ADC",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-64.28",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "14.1-73.41 FIPS",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-37.282",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          },
          {
            "defaultStatus": "unaffected",
            "product": "Gateway",
            "vendor": "NetScaler",
            "versions": [
              {
                "lessThan": "14.1-73.41",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              },
              {
                "lessThan": "13.1-64.28",
                "status": "affected",
                "version": "0",
                "versionType": "Patch"
              }
            ]
          }
        ],
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5"
      }
    ],
    "cisaActionDue": "2026-10-07",
    "cisaExploitAdd": "2026-10-04",
    "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
    "cisaVulnerabilityName": "Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability",
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
                "matchCriteriaId": "3BBEE3C6-8CDE-4E13-8D7F-1DC21DE216B8",
                "versionEndExcluding": "13.1-37.282",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*",
                "matchCriteriaId": "6F6A3D5D-1861-4974-B091-26E87FB1D6B4",
                "versionEndExcluding": "13.1-37.282",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "1A3802BF-8836-4B1C-9C5E-BE6492D42847",
                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "92D219C6-E418-4AC1-9D9D-20F939914F0B",
                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
                "matchCriteriaId": "EBB3AD2A-AAE0-4A56-A36D-A327EB39792A",
                "versionEndIncluding": "14.1-73.41",
                "versionStartIncluding": "14.1-66.68",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "C4B364B5-3ED9-4C84-9D09-6C79D7A66E94",
                "versionEndExcluding": "13.1-64.28",
                "versionStartIncluding": "13.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "33BB8BC4-DFDF-4760-9C92-129615BE7831",
                "versionEndExcluding": "14.1-73.41",
                "versionStartIncluding": "14.1",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.\n\nThis issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28."
      }
    ],
    "id": "CVE-2026-88779",
    "lastModified": "2026-10-05T13:35:24.663",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-88779",
            "options": [
              {
                "exploitation": "active"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-10-04T00:00:00+00:00",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-10-04T04:16:43.680",
    "references": [
      {
        "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "Mitigation",
          "Vendor Advisory"
        ],
        "url": "https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-netscaler-gateway/"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "US Government Resource"
        ],
        "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779"
      }
    ],
    "sourceIdentifier": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-119"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

Text

Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28.