{"id":"CVE-2026-84652","state":"PUBLISHED","title":"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 ser","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.","publishedAt":"2026-09-02T15:40:43.653Z","updatedAt":"2026-09-03T15:22:20.846Z","severity":{"score":7.3,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","source":"CISA-ADP"},"assigner":"jenkins","products":["Jenkins Project Jenkins"],"affected":[{"vendor":"Jenkins Project","product":"Jenkins","defaultStatus":"affected","versions":[{"version":"2.580","status":"unaffected","lessThan":"*","versionType":"maven"},{"version":"2.568.3","status":"unaffected","lessThan":"2.568.*","versionType":"maven"}]}],"references":["https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4016"],"weaknesses":["CWE-384"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/84xxx/CVE-2026-84652.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-84652","state":"PUBLISHED","datePublished":"2026-09-02T15:40:43.653Z","dateUpdated":"2026-09-03T15:22:20.846Z","assignerShortName":"jenkins","assignerOrgId":"39769cd5-e6e2-4dc8-927e-97b3aa056f5b","dateReserved":"2026-09-01T21:55:27.033Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Jenkins Project","product":"Jenkins","defaultStatus":"affected","versions":[{"version":"2.580","status":"unaffected","lessThan":"*","versionType":"maven"},{"version":"2.568.3","status":"unaffected","lessThan":"2.568.*","versionType":"maven"}]}],"references":[{"url":"https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4016","name":"Jenkins Security Advisory 2026-09-02","tags":["vendor-advisory"]}],"providerMetadata":{"shortName":"jenkins","orgId":"39769cd5-e6e2-4dc8-927e-97b3aa056f5b","dateUpdated":"2026-09-02T15:40:43.653Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.3,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-02T17:23:05.447074Z","id":"CVE-2026-84652","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-384","type":"CWE","lang":"en","description":"CWE-384 Session Fixation"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-03T15:22:20.846Z"}}]}}}