CVE-2026-84648

HIGH CVSS 8.8 View on NVD ↗

Description

In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, the system log viewer does not escape log record metadata (source, level, and timestamp) resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers in control of agent processes.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3967

Published: Sep 02, 2026 16:17 UTC Modified: Sep 02, 2026 18:21 UTC