{"id":"CVE-2026-84652","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-84652","summary":"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…","details":"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.","published":"2026-09-02T16:17:29.893","modified":"2026-09-03T17:13:16.490","cvss":{"score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4016"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-03T17:13:16.490"}}