{"id":"CVE-2026-107697","published":"2026-10-08T18:17:26.300","lastModified":"2026-10-15T00:01:45.480","description":"FFmpeg before 8.1.3 contains a protection mechanism failure in the HLS demuxer that allows attackers to bypass protocol and allowed_extensions restrictions when opening child playlists. Attackers can supply a crafted master playlist whose child playlists use disallowed protocols or non-multimedia local files, making parse_playlist() open resources the HLS security policy should block.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","cwes":["CWE-693"],"vendors":["ffmpeg"],"products":["ffmpeg"],"references":[{"url":"https://github.com/FFmpeg/FFmpeg","tags":["Product"]},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n8.1.2/libavformat/hls.c#L834","tags":["Product"]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/01044d04536e","tags":["Patch"]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/191715f0232c","tags":["Patch"]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/23602df9cd1b485c45ba6f533d3b85569de3f323","tags":["Patch"]},{"url":"https://www.vulncheck.com/advisories/ffmpeg-before-8.1.3-hls-demuxer-security-check-bypass-via-parse-playlist","tags":["Patch","Third Party Advisory"]}],"exploitRefs":[{"url":"https://github.com/FFmpeg/FFmpeg","tags":["Product"]},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n8.1.2/libavformat/hls.c#L834","tags":["Product"]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/01044d04536e","tags":["Patch"]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/191715f0232c","tags":["Patch"]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/23602df9cd1b485c45ba6f533d3b85569de3f323","tags":["Patch"]}],"hasPoc":true,"ai":null}