{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-107697","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-08T16:51:40.180Z","datePublished":"2026-10-08T17:30:28.094Z","dateUpdated":"2026-10-08T17:30:28.094Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-08T17:30:28.094Z"},"datePublic":"2026-07-09T00:00:00.000Z","title":"FFmpeg before 8.1.3 HLS Demuxer Security Check Bypass via parse_playlist()","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Protection Mechanism Failure","cweId":"CWE-693","type":"CWE"}]}],"affected":[{"vendor":"FFmpeg","product":"FFmpeg","defaultStatus":"unaffected","repo":"https://code.ffmpeg.org/FFmpeg/FFmpeg","packageURL":"pkg:github/ffmpeg/ffmpeg","versions":[{"version":"0","lessThan":"8.1.3","status":"affected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*","versionEndExcluding":"8.1.3"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/FFmpeg/FFmpeg/commit/23602df9cd1b485c45ba6f533d3b85569de3f323","tags":["patch"],"name":"Patch Commit"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/01044d04536e","tags":["patch"],"name":"Backport to release/9.0"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/191715f0232c","tags":["patch"],"name":"Backport to release/8.1"},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n8.1.2/libavformat/hls.c#L834","tags":["technical-description"]},{"url":"https://github.com/FFmpeg/FFmpeg","tags":["product"]},{"name":"VulnCheck Advisory: FFmpeg before 8.1.3 HLS Demuxer Security Check Bypass via parse_playlist()","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/ffmpeg-before-8.1.3-hls-demuxer-security-check-bypass-via-parse-playlist"}],"credits":[{"lang":"en","value":"BapToutatis","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}