{"schema":"threatline.record/2","record":{"id":"CVE-2026-107660","aliases":[],"summary":"FFmpeg before 8.1.3 and 9.x before 9.0.2 mbedTLS Hostname Verification Bypass for IP Hosts","details":"FFmpeg before 8.1.3 and 9.x before 9.0.2 contains an improper certificate validation vulnerability in tls_open() of libavformat/tls_mbedtls.c, which skips hostname checks for IP-address hosts. Network attackers can intercept https, rtmps, or tls connections to IP-literal URLs with any trusted CA-issued certificate to read and tamper with streams.","categories":["Libraries & packages"],"product":"FFmpeg","vendor":"FFmpeg","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-107660","source_modified_at":"2026-10-08T17:25:50.450Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"FFmpeg","vendor":"FFmpeg","versions":[{"version":"0","lessThan":"8.1.3","status":"affected","versionType":"custom"},{"version":"9.0","lessThan":"9.0.2","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-107660","source_modified_at":"2026-10-08T17:25:50.450Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"FFmpeg","ecosystem":null},"version":"8.1.3","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-107660","source_modified_at":"2026-10-08T17:25:50.450Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"FFmpeg","ecosystem":null},"version":"9.0.2","basis":"first unaffected version stated in the CVE record"}],"cvss":6.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00136,"percentile":0.02756,"score_date":"2026-10-23"},"published_at":"2026-10-08T15:28:40.750Z","modified_at":"2026-10-08T17:25:50.450Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-107660","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-08T17:25:50.450Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-107660","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24383","tags":["patch"]},{"source":"CVE List","url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/57a2e704b4a6eda5d061b45aacde6b19c026bfc0","tags":["patch"]},{"source":"CVE List","url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/d377212904a19fc740d721cbda0ba58fa3805a29","tags":["patch"]},{"source":"CVE List","url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/0cd2a70eacd510c2efed48b9fc177c7cb2bc549f","tags":["patch"]},{"source":"CVE List","url":"https://github.com/FFmpeg/FFmpeg/blob/n9.0.1/libavformat/tls_mbedtls.c#L676-L681","tags":["technical-description"]},{"source":"CVE List","url":"https://ffmpeg.org/","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/ffmpeg-before-8.1.3-and-9-x-before-9.0.2-mbedtls-hostname-verification-bypass-for-ip-hosts","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-08T17:25:33.349520Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-08T17:25:50.450Z","content_hash":"9041620fe33ed3f2ad3b3e358e8cc3404ed0bb136166b317141cf9ca0032715e"}}