{"id":"CVE-2026-110717","aliases":["DEBIAN-CVE-2026-110717","EUVD-2026-101140","GHSA-rwr7-3rqr-7qwv","UBUNTU-CVE-2026-110717"],"status":"published","title":"Janus WebRTC Server through 1.4.3 Path Traversal via Record\u0026Play Filename","description":"Janus WebRTC Server through 1.4.3 contains a path traversal vulnerability in the Record\u0026Play 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.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00464,"percentile":0.40671,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-10-14T15:01:31Z","modified":"2026-10-28T17:50:34Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"janus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.2-1","1.1.2-1.1","1.1.2-1.2","1.1.2-2","1.1.2-3","1.1.2-3.1","1.1.2-4","1.4.1+ds-1","1.4.1+ds-2","1.4.1+ds-3","1.4.1+ds-4"]},{"source":"osv","ecosystem":"Debian:14","package":"janus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.0-1","0.10.1-1","0.10.2-1","0.10.3-1","0.10.4-1","0.10.5-1","0.10.6-1","0.10.7-1","0.10.8-1","0.10.8-2","0.10.9-1","0.10.9-2","0.11.1-1","0.11.2-1","0.11.3-1~exp1","0.11.4-1","0.11.5-1","0.11.5-2","0.11.5-3","0.11.5-4","0.11.6-1","0.11.6-1~bpo11+1","0.11.7-1","0.11.7-1~bpo11+1","0.11.8-1","0.11.8-1~bpo11+1","0.11.8-2","0.11.8-3","0.11.8-3~bpo11+1","0.12.0-1","0.2.2+dfsg-1","0.2.2+dfsg-2","0.2.2+dfsg-3","0.2.2+dfsg-4","0.2.2+dfsg-5~exp1","0.2.2+dfsg-5~exp2","0.2.2+dfsg-5~exp3","0.2.3-1","0.2.4-1","0.2.4-2","0.2.5-1","0.2.6-1","0.3.1-1","0.4.2-1","0.4.4-1","0.4.5-1","0.4.5-2","0.5.0-1","0.6.0-1","0.6.0-2","0.6.1-1","0.6.2-1","0.6.3-1","0.7.2-1","0.7.2-2","0.7.3-1","0.7.3-2","0.9.1+20200313-1","0.9.1-1","0.9.2-1","0.9.2-1~bpo10+1","0.9.3-1","0.9.4-1","0.9.5-1","1.0.0-1","1.0.0-2","1.0.0-3","1.0.0-4","1.0.0-4~bpo11+1","1.0.1-1","1.0.1-1~bpo11+1","1.0.2-1","1.0.4-1","1.1.0-1","1.1.1-1","1.1.2-1","1.1.2-1.1","1.1.2-1.2","1.1.2-2","1.1.2-3","1.1.2-3.1","1.1.2-4","1.4.1+ds-1","1.4.1+ds-2","1.4.1+ds-3","1.4.1+ds-4"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"janus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.2.4-2","0.2.5-1","0.2.6-1","0.2.6-1build1","0.2.6-1build2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"janus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.3-2","0.7.3-2build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"janus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.2-1","0.11.5-1","0.11.5-1ubuntu1","0.11.5-3","0.11.5-4","0.11.6-1","0.11.7-1","0.11.8-1","0.11.8-2","0.11.8-3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"janus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.2-1build2","1.1.2-1build3","1.1.2-1build4","1.1.2-1build5"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"janus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.2-4","1.4.1+ds-4","1.4.1+ds-4build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"janus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.2-3","1.1.2-3.1","1.1.2-4"]}],"products":[{"vendor":"meetecho","product":"janus-gateway"}],"references":[{"url":"https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/HkEaF-piGl","tags":["technical-description","exploit","evidence","report"]},{"url":"https://github.com/meetecho/janus-gateway/blob/1f0b75cac1c9ad819ee4c2a905a2c65b00b82cde/src/plugins/janus_recordplay.c#L1965","tags":["technical-description","article","report"]},{"url":"https://github.com/meetecho/janus-gateway/blob/1f0b75cac1c9ad819ee4c2a905a2c65b00b82cde/src/record.c#L218","tags":["technical-description","article","report"]},{"url":"https://github.com/meetecho/janus-gateway","tags":["product","package","report"]},{"url":"https://www.vulncheck.com/advisories/janus-webrtc-server-through-1.4.3-path-traversal-via-record-play-filename","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110717","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-rwr7-3rqr-7qwv"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110717.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-110717","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-110717","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110717","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-110717","title":"Janus WebRTC Server through 1.4.3 Path Traversal via Record\u0026Play Filename","description":"Janus WebRTC Server through 1.4.3 contains a path traversal vulnerability in the Record\u0026Play 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.","status":"published","published":"2026-10-14T15:01:31.141Z","modified":"2026-10-14T17:40:56.738Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T13:34:26.24368Z"}],"euvd":[{"id":"EUVD-2026-101140","description":"Janus WebRTC Server through 1.4.3 contains a path traversal vulnerability in the Record\u0026Play 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.","status":"published","published":"2026-10-14T15:01:31Z","modified":"2026-10-14T17:40:56Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:27:13.785562Z"}],"ghsa":[{"id":"GHSA-rwr7-3rqr-7qwv","title":"Janus WebRTC Server through 1.4.3 contains a path traversal vulnerability in the Record\u0026Play...","description":"Janus WebRTC Server through 1.4.3 contains a path traversal vulnerability in the Record\u0026Play 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.","status":"published","published":"2026-10-14T18:32:18Z","modified":"2026-10-14T18:32:24Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:13:27.339015Z"}],"nvd":[{"id":"CVE-2026-110717","description":"Janus WebRTC Server through 1.4.3 contains a path traversal vulnerability in the Record\u0026Play 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.","status":"published","published":"2026-10-14T16:17:43.903Z","modified":"2026-10-16T19:15:07.947Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:58.99337Z"}],"osv":[{"id":"CVE-2026-110717","title":"Janus WebRTC Server through 1.4.3 Path Traversal via Record\u0026Play Filename","description":"Janus WebRTC Server through 1.4.3 contains a path traversal vulnerability in the Record\u0026Play 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.","status":"published","published":"2026-10-14T15:01:31.141Z","modified":"2026-10-28T02:31:14.210216732Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:44:55.61515Z"},{"id":"DEBIAN-CVE-2026-110717","description":"Janus WebRTC Server through 1.4.3 contains a path traversal vulnerability in the Record\u0026Play 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.","status":"published","published":"2026-10-14T16:17:43.903Z","modified":"2026-10-23T17:47:45.574228652Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:45:49.824149Z"},{"id":"UBUNTU-CVE-2026-110717","description":"Janus WebRTC Server through 1.4.3 contains a path traversal vulnerability in the Record\u0026Play 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.","status":"published","published":"2026-10-14T16:17:00Z","modified":"2026-10-28T17:50:34Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:55:59.591851Z"}]}}