{"id":"CVE-2026-44511","state":"PUBLISHED","title":"Katalyst Koi: Session cookies can be replayed after user logout","description":"Katalyst Koi is a framework for building Rails admin functionality. Prior to 4.20.0 and 5.6.0, admin session cookies were not invalidated when an admin user logged out. An attacker with access to a valid admin session cookie could continue to access admin functionality after logout, until the cookie expired or session secrets were rotated. This vulnerability is fixed in 4.20.0 and 5.6.0.","publishedAt":"2026-05-14T16:17:29.187Z","updatedAt":"2026-05-14T18:34:47.908Z","severity":{"score":7.4,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["katalyst koi"],"affected":[{"vendor":"katalyst","product":"koi","versions":[{"version":"< 4.20.0","status":"affected"},{"version":">= 5.0.0 <= 5.6.0","status":"affected"}]}],"references":["https://github.com/katalyst/koi/security/advisories/GHSA-4cx3-3c38-j9vv"],"weaknesses":["CWE-613"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/44xxx/CVE-2026-44511.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44511","state":"PUBLISHED","datePublished":"2026-05-14T16:17:29.187Z","dateUpdated":"2026-05-14T18:34:47.908Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-06T18:28:20.887Z"},"containers":{"cna":{"title":"Katalyst Koi: Session cookies can be replayed after user logout","descriptions":[{"lang":"en","value":"Katalyst Koi is a framework for building Rails admin functionality. Prior to 4.20.0 and 5.6.0, admin session cookies were not invalidated when an admin user logged out. An attacker with access to a valid admin session cookie could continue to access admin functionality after logout, until the cookie expired or session secrets were rotated. This vulnerability is fixed in 4.20.0 and 5.6.0."}],"affected":[{"vendor":"katalyst","product":"koi","versions":[{"version":"< 4.20.0","status":"affected"},{"version":">= 5.0.0 <= 5.6.0","status":"affected"}]}],"references":[{"url":"https://github.com/katalyst/koi/security/advisories/GHSA-4cx3-3c38-j9vv","name":"https://github.com/katalyst/koi/security/advisories/GHSA-4cx3-3c38-j9vv","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-613","lang":"en","description":"CWE-613: Insufficient Session Expiration","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-14T16:17:29.187Z"},"source":{"advisory":"GHSA-4cx3-3c38-j9vv","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-14T18:33:52.395978Z","id":"CVE-2026-44511","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-14T18:34:47.908Z"}}]}}}