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.
CVSS Details
- CVSS 3.1 Base Score: 8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade jenkins-ltsUpgrade jenkins | Feb 23, 2026 | Feb 20, 2026 |
| Jenkins 2026 02 18 | — | Upgrade Jenkins to the latest versionUpgrade Jenkins LTS to the latest versionUpgrade Jenkins LTS to version 2.541.2Upgrade Jenkins to version 2.551 | Feb 19, 2026 | Feb 18, 2026 |
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