CVE-2026-84661

{"id": "CVE-2026-84661", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-84661", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-02T17:07:51.042794Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 2.5, "exploitabilityScore": 2.8}]}, "affected": [{"source": "jenkinsci-cert@googlegroups.com", "affectedData": [{"vendor": "Jenkins Project", "product": "Jenkins Pipeline: Build Step Plugin", "versions": [{"status": "affected", "version": "0", "versionType": "maven", "lessThanOrEqual": "599.v4b_67ea_11b_152"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-02T16:17:30.757", "references": [{"url": "https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3870", "source": "jenkinsci-cert@googlegroups.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "A missing permission check in Jenkins Pipeline: Build Step Plugin 599.v4b_67ea_11b_152 and earlier causes downstream builds awaited by the `waitForBuild` step when the `propagateAbort` parameter is used to be canceled even when the build's authentication lacks Item/Cancel permission on the downstream job."}], "lastModified": "2026-09-03T17:13:16.490", "sourceIdentifier": "jenkinsci-cert@googlegroups.com"}