Main Vulnerability Database Vulnerabilities #VU146906

Permissions, Privileges, and Access Controls in Jenkins and Jenkins LTS - CVE-2026-84653

Published: September 4, 2026

Vulnerability identifier: #VU146906

CSH Severity: Low

CVSS v4: 8.4 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-84653

CWE-ID: CWE-264

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to incorrect permission check in Appearance configuration page. A remote administrator can modify Appearance configuration options and gain elevated privileges.

Affected software

Jenkins
Jenkins LTS

How to mitigate CVE-2026-84653

Install updates from vendor's website.

Jenkins - update to 2.580
Jenkins LTS - update to 2.568.3

External References

https://jenkins.io/security/advisory/2026-09-02/

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