GHSA-85h6-5m3v-gx37
Jenkins has a stored XSS vulnerability in node offline cause description
At a glance
- Published
- Updated
- CVE
- CVE-2026-27099
- Aliases
- BIT-jenkins-2026-27099
- CVSS_V3
- CVSS: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.
Affected packages
| Package | Versions |
|---|---|
| Maven · org.jenkins-ci.main:jenkins-core | introduced 2.542, fixed 2.551 |
| Maven · org.jenkins-ci.main:jenkins-core | introduced 2.483, fixed 2.541.2 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-27099 ADVISORY
- https://github.com/jenkinsci/jenkins/commit/578c028e2cdfdc9e124d0ca389a80bb2bd231ab2 WEB
- https://github.com/jenkinsci/jenkins PACKAGE
- https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.541.2 WEB
- https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.551 WEB
- https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3669 WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |