CVE-2026-27099
CVSS Score
8.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | jenkins project |
| Product | jenkins |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 18, 2026 |
| Last Updated | Feb 18, 2026 |
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Affected Versions
Jenkins Project / Jenkins
All versions affected