Vulnerability-Lookup

CVE-2026-84660 (GCVE-0-2026-84660)

Vulnerability from cvelistv5 – Published: 2026-09-02 15:40 – Updated: 2026-09-02 17:08

Summary

A missing permission check in Jenkins Pipeline: Build Step Plugin 599.v4b_67ea_11b_152 and earlier causes downstream builds triggered by the `build` step to be canceled even when the build's authentication lacks Item/Cancel permission on the downstream job.

Severity

5.4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-02 17:08 UTC

CWE

CWE-862 - Missing Authorization

Assigner

jenkins mitre root Scorecard

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 Pipeline: Build Step Plugin	Affected: 0 , ≤ 599.v4b_67ea_11b_152 (maven)

Show details on NVD website

JSON

To clipboard

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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        },
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      }
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        }
      ]
    }
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    "state": "PUBLISHED"
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          }
        ],
        "id": "CVE-2026-84660",
        "lastModified": "2026-09-03T17:13:16.490",
        "metrics": {
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                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
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        },
        "published": "2026-09-02T16:17:30.657",
        "references": [
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            "source": "jenkinsci-cert@googlegroups.com",
            "url": "https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3870"
          }
        ],
        "sourceIdentifier": "jenkinsci-cert@googlegroups.com",
        "vulnStatus": "Awaiting Analysis",
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            ],
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            "type": "Secondary"
          }
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    },
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                  "scope": "UNCHANGED",
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                  "version": "3.1"
                }
              },
              {
                "other": {
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                      {
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                      },
                      {
                        "Technical Impact": "partial"
                      }
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                    "timestamp": "2026-09-02T17:08:36.799575Z",
                    "version": "2.0.3"
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                "descriptions": [
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                    "description": "CWE-862 Missing Authorization",
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                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-09-02T17:08:33.904Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
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              "defaultStatus": "unaffected",
              "product": "Jenkins Pipeline: Build Step Plugin",
              "vendor": "Jenkins Project",
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                {
                  "lessThanOrEqual": "599.v4b_67ea_11b_152",
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                  "version": "0",
                  "versionType": "maven"
                }
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            }
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              "lang": "en",
              "value": "A missing permission check in Jenkins Pipeline: Build Step Plugin 599.v4b_67ea_11b_152 and earlier causes downstream builds triggered by the `build` step to be canceled even when the build\u0027s authentication lacks Item/Cancel permission on the downstream job."
            }
          ],
          "providerMetadata": {
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      "cveMetadata": {
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}

EUVD-2026-363188

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-02 08:31

Assigner

ENISA

Alias of

a CVE record, shown under related vulnerabilities. This identifier carries no description, severity or references of its own: they belong to that CVE.

JSON

To clipboard

{
  "assigner": "ENISA",
  "date_reserved": "2026-10-02T08:31:50.886536+00:00",
  "id": "EUVD-2026-363188"
}

FKIE_CVE-2026-84660

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

Severity

5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Summary

References

	URL	Tags
	jenkinsci-cert@googlegroups.com	https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3870

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Jenkins Pipeline: Build Step Plugin",
          "vendor": "Jenkins Project",
          "versions": [
            {
              "lessThanOrEqual": "599.v4b_67ea_11b_152",
              "status": "affected",
              "version": "0",
              "versionType": "maven"
            }
          ]
        }
      ],
      "source": "jenkinsci-cert@googlegroups.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A missing permission check in Jenkins Pipeline: Build Step Plugin 599.v4b_67ea_11b_152 and earlier causes downstream builds triggered by the `build` step to be canceled even when the build\u0027s authentication lacks Item/Cancel permission on the downstream job."
    }
  ],
  "id": "CVE-2026-84660",
  "lastModified": "2026-09-03T17:13:16.490",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.5,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-02T17:08:36.799575Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-02T16:17:30.657",
  "references": [
    {
      "source": "jenkinsci-cert@googlegroups.com",
      "url": "https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3870"
    }
  ],
  "sourceIdentifier": "jenkinsci-cert@googlegroups.com",
  "vulnStatus": "Awaiting Analysis",
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    {
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        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

GHSA-6C8F-JR82-2H3F

Vulnerability from github – Published: 2026-09-02 18:32 – Updated: 2026-09-02 18:32

Details

A missing permission check in Jenkins Pipeline: Build Step Plugin 599.v4b_67ea_11b_152 and earlier causes downstream builds triggered by the build step to be canceled even when the build's authentication lacks Item/Cancel permission on the downstream job.

Severity

5.4 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-84660"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-02T16:17:30Z",
    "severity": "MODERATE"
  },
  "details": "A missing permission check in Jenkins Pipeline: Build Step Plugin 599.v4b_67ea_11b_152 and earlier causes downstream builds triggered by the `build` step to be canceled even when the build\u0027s authentication lacks Item/Cancel permission on the downstream job.",
  "id": "GHSA-6c8f-jr82-2h3f",
  "modified": "2026-09-02T18:32:13Z",
  "published": "2026-09-02T18:32:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-84660"
    },
    {
      "type": "WEB",
      "url": "https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3870"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

WID-SEC-W-2026-3166

Vulnerability from csaf_certbund - Published: 2026-09-02 22:00 - Updated: 2026-09-02 22:00

Summary

Jenkins: Mehrere Schwachstellen

Severity

Hoch

Scope

33 vulnerabilities in this advisory, including CVE-2026-84660.

CVE-2026-84660

Known affected: 3 products

Open the full advisory

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.

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.

Action not permitted

CVE-2026-84660 (GCVE-0-2026-84660)

EUVD-2026-363188

FKIE_CVE-2026-84660

GHSA-6C8F-JR82-2H3F

WID-SEC-W-2026-3166

Tags

Sightings

Nomenclature

Related by attack behaviour