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HIGHCVE-2026-27099Published Modified CNA jenkins

CVE-2026-27099: Jenkins 2

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.

Metrics

CVSS v3.1
8.0
Severity
HIGH
Fixed in
0
Affected Products
1

Fix available

02.541.22.551
Affected packages
  • Jenkins Project / Jenkins
    Fixed in 0, 2.551, 2.541.2
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H