{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-117618", "assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b", "state": "PUBLISHED", "assignerShortName": "jenkins", "dateReserved": "2026-10-27T13:10:56.914Z", "datePublished": "2026-10-28T16:48:32.556Z", "dateUpdated": "2026-10-28T16:48:32.556Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b", "shortName": "jenkins", "dateUpdated": "2026-10-28T16:48:32.556Z"}, "affected": [{"vendor": "Jenkins Project", "product": "Jenkins", "versions": [{"version": "2.588", "versionType": "maven", "lessThan": "*", "status": "unaffected"}, {"version": "2.580.2", "versionType": "maven", "lessThan": "2.580.*", "status": "unaffected"}], "defaultStatus": "affected"}], "descriptions": [{"lang": "en", "value": "In Jenkins 2.587 and earlier, LTS 2.580.1 and earlier, the HTTP endpoint for creating the first user account does not check whether the setup wizard has been completed, resulting in a race condition that allows unauthenticated attackers to create an administrator account while the initial user account is being replaced."}], "references": [{"name": "Jenkins Security Advisory 2026-10-28", "url": "https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4122", "tags": ["vendor-advisory"]}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "affected", "product": "Jenkins", "vendor": "Jenkins Project", "versions": [{"lessThan": "*", "status": "unaffected", "version": "2.588", "versionType": "maven"}, {"lessThan": "2.580.*", "status": "unaffected", "version": "2.580.2", "versionType": "maven"}]}], "source": "jenkinsci-cert@googlegroups.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Jenkins 2.587 and earlier, LTS 2.580.1 and earlier, the HTTP endpoint for creating the first user account does not check whether the setup wizard has been completed, resulting in a race condition that allows unauthenticated attackers to create an administrator account while the initial user account is being replaced."}], "id": "CVE-2026-117618", "lastModified": "2026-10-29T15:04:37.187", "metrics": {}, "published": "2026-10-28T17:18:21.133", "references": [{"source": "jenkinsci-cert@googlegroups.com", "url": "https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4122"}], "sourceIdentifier": "jenkinsci-cert@googlegroups.com", "vulnStatus": "Awaiting Analysis"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[2.588,*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[2.580.2,2.580.*)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Jenkins", "source": "cna", "vendor": "Jenkins Project"}, "product": "jenkins", "vendor": "jenkins"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[2.588,*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[2.580.2,2.580.*)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Jenkins", "source": "cna", "vendor": "Jenkins Project"}, "product": "jenkins", "vendor": "jenkins_project"}], "created": "2026-10-28T19:00:18.888540+00:00", "title": "Race Condition Allows Unauthenticated Administrator Account Creation in Jenkins", "updated": "2026-10-28T19:15:14.767898+00:00", "vendors": ["jenkins", "jenkins$PRODUCT$jenkins", "jenkins_project", "jenkins_project$PRODUCT$jenkins"], "weaknesses": ["CWE-409"]}