The email media type OAuth form passes the Authorization endpoint value to window.open() without validating the URL scheme, so a javascript: URL is executed in the browser. This means a crafted media type configuration, deliverable as an import file, runs arbitrary JavaScript as the Super Admin who grants consent.

zetlyn/cve-nvd vulnerability cve CVE-2026-59788 known 2026-10-05

https://nvd.nist.gov/vuln/detail/CVE-2026-59788

Properties

productZabbix
receipt
Source
NVD
Its words
Zabbix
Read by
field:cve.affected[].affectedData[].product
Said since
2026-10-05 12:23 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
What the source handed over
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      {
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          {
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              "Frontend"
            ],
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            "vendor": "Zabbix",
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              {
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                  {
                    "at": "7.4.12",
                    "status": "unaffected"
                  }
                ],
                "lessThanOrEqual": "7.4.11",
                "status": "affected",
                "version": "7.4.0",
                "versionType": "git"
              }
            ]
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        ],
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      }
    ],
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      }
    ],
    "id": "CVE-2026-59788",
    "lastModified": "2026-10-05T12:17:10.463",
    "metrics": {
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            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
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            "modifiedAttackVector": "NOT_DEFINED",
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}
statusReceived
receipt
Source
NVD
Its words
Received
Read by
field:cve.vulnStatus
Said since
2026-10-05 12:23 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
What the source handed over
{
  "cve": {
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      {
        "affectedData": [
          {
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            "modules": [
              "Frontend"
            ],
            "product": "Zabbix",
            "repo": "https://git.zabbix.com/",
            "vendor": "Zabbix",
            "versions": [
              {
                "changes": [
                  {
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                    "status": "unaffected"
                  }
                ],
                "lessThanOrEqual": "7.4.11",
                "status": "affected",
                "version": "7.4.0",
                "versionType": "git"
              }
            ]
          }
        ],
        "source": "security@zabbix.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "The email media type OAuth form passes the Authorization endpoint value to window.open() without validating the URL scheme, so a javascript: URL is executed in the browser. This means a crafted media type configuration, deliverable as an import file, runs arbitrary JavaScript as the Super Admin who grants consent."
      }
    ],
    "id": "CVE-2026-59788",
    "lastModified": "2026-10-05T12:17:10.463",
    "metrics": {
      "cvssMetricV40": [
        {
          "cvssData": {
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 5.7,
            "baseSeverity": "MEDIUM",
            "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": "HIGH",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "ACTIVE",
            "valueDensity": "NOT_DEFINED",
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            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
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            "vulnerabilityResponseEffort": "NOT_DEFINED"
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      "ssvcV203": [
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            "role": "CISA Coordinator",
            "timestamp": "2026-10-05T11:22:54.202007Z",
            "version": "2.0.3"
          }
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    },
    "published": "2026-10-05T11:17:00.113",
    "references": [
      {
        "source": "security@zabbix.com",
        "url": "https://support.zabbix.com/browse/ZBX-28198"
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    ],
    "sourceIdentifier": "security@zabbix.com",
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  }
}
vendorZabbix
receipt
Source
NVD
Its words
Zabbix
Read by
field:cve.affected[].affectedData[].vendor
Said since
2026-10-05 12:23 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unknown",
            "modules": [
              "Frontend"
            ],
            "product": "Zabbix",
            "repo": "https://git.zabbix.com/",
            "vendor": "Zabbix",
            "versions": [
              {
                "changes": [
                  {
                    "at": "7.4.12",
                    "status": "unaffected"
                  }
                ],
                "lessThanOrEqual": "7.4.11",
                "status": "affected",
                "version": "7.4.0",
                "versionType": "git"
              }
            ]
          }
        ],
        "source": "security@zabbix.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "The email media type OAuth form passes the Authorization endpoint value to window.open() without validating the URL scheme, so a javascript: URL is executed in the browser. This means a crafted media type configuration, deliverable as an import file, runs arbitrary JavaScript as the Super Admin who grants consent."
      }
    ],
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    "lastModified": "2026-10-05T12:17:10.463",
    "metrics": {
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 5.7,
            "baseSeverity": "MEDIUM",
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            "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",
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            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "ACTIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:H/VI:L/VA:N/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",
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  }
}

Text

The email media type OAuth form passes the Authorization endpoint value to window.open() without validating the URL scheme, so a javascript: URL is executed in the browser. This means a crafted media type configuration, deliverable as an import file, runs arbitrary JavaScript as the Super Admin who grants consent.