VULNERABILITY INTELLIGENCE

CVE-2026-84652

CVSS score7.3 HIGH
EPSS probability0.44%
CISA KEVNot currently listed
Published2026-09-02
Last modified2026-09-11
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Description

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.

Weakness classification

  • CWE-384: Session Fixation

Primary references