CVE-2026-53441
Jenkins: Stored XSS vulnerability in node offline cause description
8.0
HIGH
CVSS 3.1
Description
Jenkins 2.483 through 2.567 (both inclusive), LTS 2.492.1 through 2.555.2 (both inclusive) does not escape the user-provided description of a generic offline cause that could be set through the `POST config.xml` API, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Agent/Configure permission.
How to fix CVE-2026-53441
To remediate CVE-2026-53441, upgrade the affected package to a fixed version below.
- Bitnami/jenkins—upgrade to 2.555.3 or later
- —upgrade to 2.568 or later
Is CVE-2026-53441 being exploited?
No exploitation signal available. Neither CISA KEV nor a current EPSS score has been published for CVE-2026-53441.
Affected packages (2)
- >= 2.483.0, < 2.555.3, >= 2.556.0, < 2.568.0
- >= 2.483, < 2.568
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |