CVE-2026-117618
highIn 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 c…
Vendor / product: Jenkins — jenkins
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.
CVSS
8.1
8.1 (CVSS v3.1)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-10-28 17:18
Modified: 2026-11-02 15:02
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-11-03 07:35 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
jenkins / jenkins <2.580.2, <2.588
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4122
Patch / mitigation: https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4122
References
- https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4122 jenkinsci-cert@googlegroups.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-03 07:35 UTC · record ↗