{"id":"CVE-2026-123317","title":"In JetBrains Ktor before 3.6.1 session forgery was possible via tampered encrypted session cookies","summary":"In JetBrains Ktor before 3.6.1 session forgery was possible via tampered encrypted session cookies","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","cvssSource":"cna","cwe":["CWE-354"],"vendor":"JetBrains","product":"Ktor","affected":["Ktor < 3.6.1"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-11-06T00:00:00+00:00"},"published":"2026-11-06","updated":"2026-11-07","sourceUpdated":"2026-11-07T04:55:31.829Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123317","references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/"}],"tags":["cve.org"],"ingestedAt":"2026-11-06T10:49:35.352Z","slug":"CVE-2026-123317","body":"## Overview\n\nIn JetBrains Ktor before 3.6.1 session forgery was possible via tampered encrypted session cookies\n\n## Affected\n\n- `Ktor < 3.6.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}