Vulnerability Details CVE-2026-84652
In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, Jenkins does not rotate the session when a user is authenticated via the "remember me" cookie, allowing attackers able to serve content on the same site as Jenkins to set a known session cookie in the victim's browser, which after the victim authenticates via the "remember me" cookie, grants the attacker access to Jenkins as that user.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 29.2%
CVSS Severity
CVSS v3 Score 7.3