CVE
CVE-2026-27099
Jenkins has a stored XSS vulnerability in node offline cause 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.
Package Versions Affected
Package Version
patch Availability
No items found.
Automatically patch vulnerabilities without upgrading
Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request
CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
C
H
U
-
Related Resources
No items found.
References
https://nvd.nist.gov/vuln/detail/CVE-2026-27099, https://github.com/jenkinsci/jenkins/commit/578c028e2cdfdc9e124d0ca389a80bb2bd231ab2, https://github.com/jenkinsci/jenkins, https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.541.2, https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.551, https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3669
Basic Information
Ecosystem
