CVE-2026-27099

8.0 HIGH
Published: February 18, 2026 Modified: February 20, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3669
Source: jenkinsci-cert@googlegroups.com
Vendor Advisory

1 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.0 / 10.0
EPSS (Exploit Probability)
0.0%
13th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

jenkins