A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected is the function opendmarc_policy_query_dmarc of the component Multi-Record Set Handler. The manipulation results in authentication bypass by spoofing. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

zetlyn/cve-nvd vulnerability cve CVE-2026-101280 known 2026-09-29

https://nvd.nist.gov/vuln/detail/CVE-2026-101280

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
2026-09-29 09:39 UTC—
What the source handed over
{
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          {
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              "cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*"
            ],
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            ],
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            "vendor": "Trusted Domain Project",
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      }
    ],
    "id": "CVE-2026-101280",
    "lastModified": "2026-09-29T18:57:24.350",
    "metrics": {
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          "exploitabilityScore": 10.0,
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        "url": "https://vuldb.com/submit/918282"
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cvss7.3
receipt
Source
NVD
Its words
7.3
Read by
field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseScore || field:cve.metrics.cvssMetricV31[].cvssData.baseScore
Said since
2026-09-29 09:39 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
What the source handed over
{
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    "affected": [
      {
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          {
            "cpes": [
              "cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*"
            ],
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      }
    ],
    "id": "CVE-2026-101280",
    "lastModified": "2026-09-29T18:57:24.350",
    "metrics": {
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cvss45.5
receipt
Source
NVD
Its words
5.5
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 UTC5.5
2026-09-29 09:39 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
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          {
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              "cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*"
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              },
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            ]
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        ],
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      }
    ],
    "id": "CVE-2026-101280",
    "lastModified": "2026-09-29T18:57:24.350",
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            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
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}
cvss4_vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
2026-09-29 09:39 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*"
            ],
            "modules": [
              "Multi-Record Set Handler"
            ],
            "product": "OpenDMARC",
            "vendor": "Trusted Domain Project",
            "versions": [
              {
                "status": "affected",
                "version": "1.4.0"
              },
              {
                "status": "affected",
                "version": "1.4.1"
              },
              {
                "status": "affected",
                "version": "1.4.2"
              }
            ]
          }
        ],
        "source": "cna@vuldb.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected is the function opendmarc_policy_query_dmarc of the component Multi-Record Set Handler. The manipulation results in authentication bypass by spoofing. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
      }
    ],
    "id": "CVE-2026-101280",
    "lastModified": "2026-09-29T18:57:24.350",
    "metrics": {
      "cvssMetricV2": [
        {
          "acInsufInfo": false,
          "baseSeverity": "HIGH",
          "cvssData": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "source": "cna@vuldb.com",
          "type": "Secondary",
          "userInteractionRequired": false
        }
      ],
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.4,
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "PROOF_OF_CONCEPT",
            "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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-101280",
            "options": [
              {
                "exploitation": "poc"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T17:28:27.053437Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-29T01:16:44.193",
    "references": [
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/cve/CVE-2026-101280"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/submit/918282"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037/cti"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://xuyongzhe-vt.github.io/share/opendmarc-multi-record-downgrade.html"
      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-287"
          },
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  }
}
cvss_vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
receipt
Source
NVD
Its words
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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:L/I:L/A:L
2026-09-29 09:39 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*"
            ],
            "modules": [
              "Multi-Record Set Handler"
            ],
            "product": "OpenDMARC",
            "vendor": "Trusted Domain Project",
            "versions": [
              {
                "status": "affected",
                "version": "1.4.0"
              },
              {
                "status": "affected",
                "version": "1.4.1"
              },
              {
                "status": "affected",
                "version": "1.4.2"
              }
            ]
          }
        ],
        "source": "cna@vuldb.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected is the function opendmarc_policy_query_dmarc of the component Multi-Record Set Handler. The manipulation results in authentication bypass by spoofing. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
      }
    ],
    "id": "CVE-2026-101280",
    "lastModified": "2026-09-29T18:57:24.350",
    "metrics": {
      "cvssMetricV2": [
        {
          "acInsufInfo": false,
          "baseSeverity": "HIGH",
          "cvssData": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "source": "cna@vuldb.com",
          "type": "Secondary",
          "userInteractionRequired": false
        }
      ],
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.4,
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "PROOF_OF_CONCEPT",
            "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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-101280",
            "options": [
              {
                "exploitation": "poc"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T17:28:27.053437Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-29T01:16:44.193",
    "references": [
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/cve/CVE-2026-101280"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/submit/918282"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037/cti"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://xuyongzhe-vt.github.io/share/opendmarc-multi-record-downgrade.html"
      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-287"
          },
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  }
}
cweCWE-287, CWE-290
receipt
Source
NVD
Its words
CWE-287, CWE-290
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-287, CWE-290
2026-09-29 09:39 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*"
            ],
            "modules": [
              "Multi-Record Set Handler"
            ],
            "product": "OpenDMARC",
            "vendor": "Trusted Domain Project",
            "versions": [
              {
                "status": "affected",
                "version": "1.4.0"
              },
              {
                "status": "affected",
                "version": "1.4.1"
              },
              {
                "status": "affected",
                "version": "1.4.2"
              }
            ]
          }
        ],
        "source": "cna@vuldb.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected is the function opendmarc_policy_query_dmarc of the component Multi-Record Set Handler. The manipulation results in authentication bypass by spoofing. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
      }
    ],
    "id": "CVE-2026-101280",
    "lastModified": "2026-09-29T18:57:24.350",
    "metrics": {
      "cvssMetricV2": [
        {
          "acInsufInfo": false,
          "baseSeverity": "HIGH",
          "cvssData": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "source": "cna@vuldb.com",
          "type": "Secondary",
          "userInteractionRequired": false
        }
      ],
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.4,
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "PROOF_OF_CONCEPT",
            "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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-101280",
            "options": [
              {
                "exploitation": "poc"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T17:28:27.053437Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-29T01:16:44.193",
    "references": [
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/cve/CVE-2026-101280"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/submit/918282"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037/cti"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://xuyongzhe-vt.github.io/share/opendmarc-multi-record-downgrade.html"
      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-287"
          },
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  }
}
exploitationpoc
A public proof of concept exists, or exploitation is trivial.
receipt
Source
NVD
Its words
poc
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 UTCpoc
2026-09-29 09:39 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*"
            ],
            "modules": [
              "Multi-Record Set Handler"
            ],
            "product": "OpenDMARC",
            "vendor": "Trusted Domain Project",
            "versions": [
              {
                "status": "affected",
                "version": "1.4.0"
              },
              {
                "status": "affected",
                "version": "1.4.1"
              },
              {
                "status": "affected",
                "version": "1.4.2"
              }
            ]
          }
        ],
        "source": "cna@vuldb.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected is the function opendmarc_policy_query_dmarc of the component Multi-Record Set Handler. The manipulation results in authentication bypass by spoofing. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
      }
    ],
    "id": "CVE-2026-101280",
    "lastModified": "2026-09-29T18:57:24.350",
    "metrics": {
      "cvssMetricV2": [
        {
          "acInsufInfo": false,
          "baseSeverity": "HIGH",
          "cvssData": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "source": "cna@vuldb.com",
          "type": "Secondary",
          "userInteractionRequired": false
        }
      ],
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.4,
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "PROOF_OF_CONCEPT",
            "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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-101280",
            "options": [
              {
                "exploitation": "poc"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T17:28:27.053437Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-29T01:16:44.193",
    "references": [
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/cve/CVE-2026-101280"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/submit/918282"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037/cti"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://xuyongzhe-vt.github.io/share/opendmarc-multi-record-downgrade.html"
      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-287"
          },
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  }
}
productOpenDMARC
receipt
Source
NVD
Its words
OpenDMARC
Read by
field:cve.affected[].affectedData[].product
Said since
2026-09-29 17:49 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-09-29 17:49 UTCOpenDMARC
2026-09-29 09:39 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*"
            ],
            "modules": [
              "Multi-Record Set Handler"
            ],
            "product": "OpenDMARC",
            "vendor": "Trusted Domain Project",
            "versions": [
              {
                "status": "affected",
                "version": "1.4.0"
              },
              {
                "status": "affected",
                "version": "1.4.1"
              },
              {
                "status": "affected",
                "version": "1.4.2"
              }
            ]
          }
        ],
        "source": "cna@vuldb.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected is the function opendmarc_policy_query_dmarc of the component Multi-Record Set Handler. The manipulation results in authentication bypass by spoofing. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
      }
    ],
    "id": "CVE-2026-101280",
    "lastModified": "2026-09-29T18:57:24.350",
    "metrics": {
      "cvssMetricV2": [
        {
          "acInsufInfo": false,
          "baseSeverity": "HIGH",
          "cvssData": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "source": "cna@vuldb.com",
          "type": "Secondary",
          "userInteractionRequired": false
        }
      ],
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.4,
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "PROOF_OF_CONCEPT",
            "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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-101280",
            "options": [
              {
                "exploitation": "poc"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T17:28:27.053437Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-29T01:16:44.193",
    "references": [
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/cve/CVE-2026-101280"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/submit/918282"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037/cti"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://xuyongzhe-vt.github.io/share/opendmarc-multi-record-downgrade.html"
      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-287"
          },
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "cna@vuldb.com",
        "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
2026-09-29 09:39 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*"
            ],
            "modules": [
              "Multi-Record Set Handler"
            ],
            "product": "OpenDMARC",
            "vendor": "Trusted Domain Project",
            "versions": [
              {
                "status": "affected",
                "version": "1.4.0"
              },
              {
                "status": "affected",
                "version": "1.4.1"
              },
              {
                "status": "affected",
                "version": "1.4.2"
              }
            ]
          }
        ],
        "source": "cna@vuldb.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected is the function opendmarc_policy_query_dmarc of the component Multi-Record Set Handler. The manipulation results in authentication bypass by spoofing. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
      }
    ],
    "id": "CVE-2026-101280",
    "lastModified": "2026-09-29T18:57:24.350",
    "metrics": {
      "cvssMetricV2": [
        {
          "acInsufInfo": false,
          "baseSeverity": "HIGH",
          "cvssData": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "source": "cna@vuldb.com",
          "type": "Secondary",
          "userInteractionRequired": false
        }
      ],
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.4,
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "PROOF_OF_CONCEPT",
            "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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-101280",
            "options": [
              {
                "exploitation": "poc"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T17:28:27.053437Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-29T01:16:44.193",
    "references": [
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/cve/CVE-2026-101280"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/submit/918282"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037/cti"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://xuyongzhe-vt.github.io/share/opendmarc-multi-record-downgrade.html"
      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-287"
          },
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  }
}
statusDeferred
receipt
Source
NVD
Its words
Deferred
Read by
field:cve.vulnStatus
Said since
2026-10-02 12:00 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-02 12:00 UTCDeferred
2026-09-29 09:39 UTCReceived
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*"
            ],
            "modules": [
              "Multi-Record Set Handler"
            ],
            "product": "OpenDMARC",
            "vendor": "Trusted Domain Project",
            "versions": [
              {
                "status": "affected",
                "version": "1.4.0"
              },
              {
                "status": "affected",
                "version": "1.4.1"
              },
              {
                "status": "affected",
                "version": "1.4.2"
              }
            ]
          }
        ],
        "source": "cna@vuldb.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected is the function opendmarc_policy_query_dmarc of the component Multi-Record Set Handler. The manipulation results in authentication bypass by spoofing. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
      }
    ],
    "id": "CVE-2026-101280",
    "lastModified": "2026-09-29T18:57:24.350",
    "metrics": {
      "cvssMetricV2": [
        {
          "acInsufInfo": false,
          "baseSeverity": "HIGH",
          "cvssData": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "source": "cna@vuldb.com",
          "type": "Secondary",
          "userInteractionRequired": false
        }
      ],
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.4,
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "PROOF_OF_CONCEPT",
            "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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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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            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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              },
              {
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              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T17:28:27.053437Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-29T01:16:44.193",
    "references": [
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/cve/CVE-2026-101280"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/submit/918282"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037/cti"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://xuyongzhe-vt.github.io/share/opendmarc-multi-record-downgrade.html"
      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-287"
          },
          {
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            "value": "CWE-290"
          }
        ],
        "source": "cna@vuldb.com",
        "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
2026-09-29 09:39 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*"
            ],
            "modules": [
              "Multi-Record Set Handler"
            ],
            "product": "OpenDMARC",
            "vendor": "Trusted Domain Project",
            "versions": [
              {
                "status": "affected",
                "version": "1.4.0"
              },
              {
                "status": "affected",
                "version": "1.4.1"
              },
              {
                "status": "affected",
                "version": "1.4.2"
              }
            ]
          }
        ],
        "source": "cna@vuldb.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected is the function opendmarc_policy_query_dmarc of the component Multi-Record Set Handler. The manipulation results in authentication bypass by spoofing. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
      }
    ],
    "id": "CVE-2026-101280",
    "lastModified": "2026-09-29T18:57:24.350",
    "metrics": {
      "cvssMetricV2": [
        {
          "acInsufInfo": false,
          "baseSeverity": "HIGH",
          "cvssData": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "source": "cna@vuldb.com",
          "type": "Secondary",
          "userInteractionRequired": false
        }
      ],
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.4,
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "PROOF_OF_CONCEPT",
            "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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
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            "options": [
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              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
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        }
      ]
    },
    "published": "2026-09-29T01:16:44.193",
    "references": [
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/cve/CVE-2026-101280"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/submit/918282"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/vuln/411037/cti"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://xuyongzhe-vt.github.io/share/opendmarc-multi-record-downgrade.html"
      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-287"
          },
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  }
}
vendorTrusted Domain Project
receipt
Source
NVD
Its words
Trusted Domain Project
Read by
field:cve.affected[].affectedData[].vendor
Said since
2026-09-29 17:49 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-09-29 17:49 UTCTrusted Domain Project
2026-09-29 09:39 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*"
            ],
            "modules": [
              "Multi-Record Set Handler"
            ],
            "product": "OpenDMARC",
            "vendor": "Trusted Domain Project",
            "versions": [
              {
                "status": "affected",
                "version": "1.4.0"
              },
              {
                "status": "affected",
                "version": "1.4.1"
              },
              {
                "status": "affected",
                "version": "1.4.2"
              }
            ]
          }
        ],
        "source": "cna@vuldb.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected is the function opendmarc_policy_query_dmarc of the component Multi-Record Set Handler. The manipulation results in authentication bypass by spoofing. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
      }
    ],
    "id": "CVE-2026-101280",
    "lastModified": "2026-09-29T18:57:24.350",
    "metrics": {
      "cvssMetricV2": [
        {
          "acInsufInfo": false,
          "baseSeverity": "HIGH",
          "cvssData": {
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            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "source": "cna@vuldb.com",
          "type": "Secondary",
          "userInteractionRequired": false
        }
      ],
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.4,
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "PROOF_OF_CONCEPT",
            "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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
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            "options": [
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              },
              {
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              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T17:28:27.053437Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-29T01:16:44.193",
    "references": [
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/cve/CVE-2026-101280"
      },
      {
        "source": "cna@vuldb.com",
        "url": "https://vuldb.com/submit/918282"
      },
      {
        "source": "cna@vuldb.com",
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      },
      {
        "source": "cna@vuldb.com",
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      },
      {
        "source": "cna@vuldb.com",
        "url": "https://xuyongzhe-vt.github.io/share/opendmarc-multi-record-downgrade.html"
      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
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          },
          {
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            "value": "CWE-290"
          }
        ],
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  }
}

Text

A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected is the function opendmarc_policy_query_dmarc of the component Multi-Record Set Handler. The manipulation results in authentication bypass by spoofing. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.