{"id":"CVE-2026-84652","aliases":["BIT-jenkins-2026-84652","EUVD-2026-70118","GHSA-42rh-v5qm-8p5w"],"status":"published","title":"In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, Jenkins does not rotate the session when a...","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.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-08","score":0.00443,"percentile":0.38758,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-384"],"published":"2026-09-02T15:40:43Z","modified":"2026-10-24T10:30:52Z","fixes":[{"ecosystem":"Bitnami","package":"jenkins","fixed_in":["2.568.3","2.580.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"jenkins","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.568.3"},{"introduced":"2.569.0"},{"fixed":"2.580.0"}]}]}],"products":[{"vendor":"jenkins","product":"jenkins"},{"vendor":"jenkins project","product":"jenkins"}],"references":[{"url":"https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4016","tags":["vendor-advisory","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84652","tags":["web"]},{"url":"https://github.com/advisories/GHSA-42rh-v5qm-8p5w"}],"sources":{"cve":[{"id":"CVE-2026-84652","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.","status":"published","published":"2026-09-02T15:40:43.653Z","modified":"2026-09-03T15:22:20.846Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-384"],"updated_at":"2026-11-02T14:20:08.391556Z"}],"euvd":[{"id":"EUVD-2026-70118","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.","status":"published","published":"2026-09-02T15:40:43Z","modified":"2026-09-03T15:22:20Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T18:01:13.671159Z"}],"ghsa":[{"id":"GHSA-42rh-v5qm-8p5w","title":"In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, Jenkins does not rotate the session when a...","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.","status":"published","published":"2026-09-02T18:32:12Z","modified":"2026-09-03T18:32:48Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-384"],"updated_at":"2026-11-02T15:11:20.583896Z"}],"nvd":[{"id":"CVE-2026-84652","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.","status":"published","published":"2026-09-02T16:17:29.893Z","modified":"2026-09-11T21:09:18.967Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-384"],"updated_at":"2026-11-02T14:12:43.399612Z"}],"osv":[{"id":"CVE-2026-84652","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.","status":"published","published":"2026-09-02T16:17:29.893Z","modified":"2026-10-24T10:30:52.662784295Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:18.482949Z"},{"id":"BIT-jenkins-2026-84652","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.","status":"published","published":"2026-09-08T08:16:28.107Z","modified":"2026-09-12T09:15:03.776307417Z","updated_at":"2026-11-02T15:28:31.782692Z"}]}}
