VULNERABILITY INTELLIGENCE
CVE-2026-27099
CVSS score8 HIGH
EPSS probability0.48%
CISA KEVNot currently listed
Published2026-02-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Description
Jenkins 2.483 through 2.550 (both inclusive), LTS 2.492.1 through 2.541.1 (both inclusive) does not escape the user-provided description of the "Mark temporarily offline" offline cause, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Agent/Configure or Agent/Disconnect permission.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-79
Primary references
- jenkinsci-cert@googlegroups.com — Vendor Advisory