CVE-2026-84653

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...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization due to the improper verification of user permissions when accessing groups. An attacker can view unauthorized group information by crafting a malicious API request. Remediation Upgrade...