Vulnerability-Lookup

FKIE_CVE-2026-84672

Vulnerability from fkie_nvd - Published: 2026-09-02 16:17 - Updated: 2026-09-03 17:13

Severity

8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

Jenkins Microsoft Entra ID (previously Azure AD) Plugin 710.v0b_ff8e9cc2d2 and earlier grants Entra group permissions using both the group's unique object ID and its display name, allowing attackers who can create an Entra group with a colliding display name to gain the permissions configured for a privileged group.

References

	URL	Tags
	jenkinsci-cert@googlegroups.com	https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3935

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Jenkins Microsoft Entra ID (previously Azure AD) Plugin",
          "vendor": "Jenkins Project",
          "versions": [
            {
              "lessThanOrEqual": "710.v0b_ff8e9cc2d2",
              "status": "affected",
              "version": "0",
              "versionType": "maven"
            }
          ]
        }
      ],
      "source": "jenkinsci-cert@googlegroups.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Jenkins Microsoft Entra ID (previously Azure AD) Plugin 710.v0b_ff8e9cc2d2 and earlier grants Entra group permissions using both the group\u0027s unique object ID and its display name, allowing attackers who can create an Entra group with a colliding display name to gain the permissions configured for a privileged group."
    }
  ],
  "id": "CVE-2026-84672",
  "lastModified": "2026-09-03T17:13:16.490",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-84672",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-02T16:55:50.279190Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-02T16:17:31.833",
  "references": [
    {
      "source": "jenkinsci-cert@googlegroups.com",
      "url": "https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3935"
    }
  ],
  "sourceIdentifier": "jenkinsci-cert@googlegroups.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

CVE-2026-84672 (GCVE-0-2026-84672)

Vulnerability from cvelistv5 – Published: 2026-09-02 15:40 – Updated: 2026-09-02 16:55

Summary

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-02 16:55 UTC

CWE

CWE-639 - Authorization Bypass Through User-Controlled Key

Assigner

jenkins mitre root

References

1 reference

URL	Tags
https://www.jenkins.io/security/advisory/2026-09-…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Jenkins Project	Jenkins Microsoft Entra ID (previously Azure AD) Plugin	Affected: 0 , ≤ 710.v0b_ff8e9cc2d2 (maven)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-84672",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-02T16:55:50.279190Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-639",
                "description": "CWE-639 Authorization Bypass Through User-Controlled Key",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-02T16:55:52.930Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Jenkins Microsoft Entra ID (previously Azure AD) Plugin",
          "vendor": "Jenkins Project",
          "versions": [
            {
              "lessThanOrEqual": "710.v0b_ff8e9cc2d2",
              "status": "affected",
              "version": "0",
              "versionType": "maven"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Jenkins Microsoft Entra ID (previously Azure AD) Plugin 710.v0b_ff8e9cc2d2 and earlier grants Entra group permissions using both the group\u0027s unique object ID and its display name, allowing attackers who can create an Entra group with a colliding display name to gain the permissions configured for a privileged group."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-02T15:40:55.776Z",
        "orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
        "shortName": "jenkins"
      },
      "references": [
        {
          "name": "Jenkins Security Advisory 2026-09-02",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3935"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
    "assignerShortName": "jenkins",
    "cveId": "CVE-2026-84672",
    "datePublished": "2026-09-02T15:40:55.776Z",
    "dateReserved": "2026-09-01T21:55:27.035Z",
    "dateUpdated": "2026-09-02T16:55:52.930Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.