{"id":"CVE-2026-110717","title":"Janus WebRTC Server through 1.4.3 contains a path traversal vulnerability in the Record&Play plugin that allows unauthenticated attackers to write files outside recordings_path via the record request filename","summary":"Janus WebRTC Server through 1.4.3 contains a path traversal vulnerability in the Record&Play plugin that allows unauthenticated attackers to write files outside recordings_path via the record request filename. Attackers can supply filena…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-22"],"vendor":"meetecho","product":"janus-gateway","affected":["janus-gateway <= 1.4.3"],"published":"2026-10-14","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:15:07.947","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-110717","references":[{"url":"https://github.com/meetecho/janus-gateway","label":"disclosure@vulncheck.com"},{"url":"https://github.com/meetecho/janus-gateway/blob/1f0b75cac1c9ad819ee4c2a905a2c65b00b82cde/src/plugins/janus_recordplay.c#L1965","label":"disclosure@vulncheck.com"},{"url":"https://github.com/meetecho/janus-gateway/blob/1f0b75cac1c9ad819ee4c2a905a2c65b00b82cde/src/record.c#L218","label":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/HkEaF-piGl","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/janus-webrtc-server-through-1.4.3-path-traversal-via-record-play-filename","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00464,"epssPercentile":0.4001,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-14T17:40:37.064415Z"},"ingestedAt":"2026-10-14T16:40:32.122Z","slug":"CVE-2026-110717","body":"## Overview\n\nJanus WebRTC Server through 1.4.3 contains a path traversal vulnerability in the Record&Play plugin that allows unauthenticated attackers to write files outside recordings_path via the record request filename. Attackers can supply filenames with path separators to create or truncate files ending in -audio.mjr, -video.mjr or -data.mjr anywhere the Janus process can write outside protected folders.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":221435,"id":"CVE-2026-110717","ts":1792031238343,"field":"exploit_available","old":"false","new":"true"}]}