Description
Jenkins 2.421 through 2.579 (both inclusive), LTS 2.426.1 through 2.568.2 (both inclusive) does not correctly perform permission checks in the Appearance configuration page, allowing attackers with Overall/Manage permission to modify Appearance configuration options they should not have access to.
Affected products
jenkins: jenkins
References1
- www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3981 Vendor Advisory
Metrics
- CVSS 3.1
-
3.5
LOW
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N - EPSS — exploit probability
- 0% percentile: 27 · as of 2 November 2026
- CWE
- CWE-862
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