{"id":"CVE-2026-123318","title":"In JetBrains Ktor before 3.6.1 hTTP request smuggling was possible in the CIO engine","summary":"In JetBrains Ktor before 3.6.1 hTTP request smuggling was possible in the CIO engine","severity":"medium","cvss":4.8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","cvssSource":"cna","cwe":["CWE-444"],"vendor":"JetBrains","product":"Ktor","affected":["Ktor < 3.6.1"],"published":"2026-11-06","updated":"2026-11-06","sourceUpdated":"2026-11-06T10:28:04.880Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123318","references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/"}],"tags":["cve.org"],"ingestedAt":"2026-11-06T10:49:35.353Z","slug":"CVE-2026-123318","body":"## Overview\n\nIn JetBrains Ktor before 3.6.1 hTTP request smuggling was possible in the CIO engine\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":"sunlit","depthScore":26,"depthScoreParts":{"impact":26.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}