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CVE-2026-27099

nvd nist
Published: Feb 18, 2026Modified: Feb 20, 2026

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8.0
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Exploitability: 2.1 / Impact: 5.9
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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 (2)

Products: Jenkins: Jenkins
Jenkins
1 product
Jenkins
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Jenkins
Jenkins
From 2.483 to 2.551
Jenkins
From 2.492.1 to 2.541.2

Related CWEs

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (1)

Source: jenkinsci-cert@googlegroups.com
Vendor Advisory

Timeline

No history available yet.