CVE-2026-117618EUVD-2026-112183GHSA-VRQW-5JR7-WX5R
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 setu
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Jenkins, an open-source automation server, is affected by this vulnerability. An unauthenticated attacker could exploit a timing flaw during initial setup to create an administrator account on the server.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original 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.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- Jenkins Project Jenkins
Version range not reported