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CVE-2026-27099

🔴 HIGH

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...

Published
Feb 18, 2026
Last Modified
Feb 20, 2026
Views
1
Bookmarks
0

Description

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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 Products (2)

jenkins - jenkins

Version: *

jenkins - jenkins

Version: *

CVSS Scores

CVSS 3.1 8.0
8.0
HIGH
CVSS 2.0 8.0

References

www.jenkins.io

Additional Information

Source
jenkinsci-cert@googlegroups.com
State
Analyzed

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