Vulnerability Description
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
FAQ
What is CVE-2026-117618?
CVE-2026-117618 is a documented vulnerability. 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 t...
How severe is CVE-2026-117618?
CVSS scoring is not yet available for CVE-2026-117618. Check NVD for updates.
Is there a patch for CVE-2026-117618?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.