Race condition in Jenkins and Jenkins LTS - CVE-2026-117617
Published: November 2, 2026
Vulnerability identifier: #VU158580
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-117617
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a race condition in artifact extraction. A remote user can exploit the race and write files to arbitrary locations, leading to arbitrary code execution.
Affected software
Jenkins
Jenkins LTS
Jenkins LTS
How to mitigate CVE-2026-117617
Install updates from vendor's website.
Jenkins - update to 2.588
Jenkins LTS - update to 2.580.2
Jenkins LTS - update to 2.580.2