{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-120210", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-31T11:44:49.905Z", "datePublished": "2026-10-31T17:25:56.847Z", "dateUpdated": "2026-10-31T17:25:56.847Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-31T17:25:56.847Z"}, "datePublic": "2026-10-21T00:00:00.000Z", "title": "FFmpeg 5.0 through 9.0.2 Path Traversal via IMF Demuxer ASSETMAP Path", "descriptions": [{"lang": "en", "value": "FFmpeg 5.0 through 9.0.2 contains a path traversal vulnerability in the IMF demuxer that allows attackers to open files outside the package via unvalidated ASSETMAP Path elements. Attackers can supply a crafted IMF package with '..' or absolute paths to demux local MXF files, probe file existence and size, or trigger server-side requests."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "cweId": "CWE-22", "type": "CWE"}]}], "affected": [{"vendor": "FFmpeg", "product": "FFmpeg", "defaultStatus": "unaffected", "versions": [{"version": "5.0", "lessThanOrEqual": "9.0.2", "status": "affected", "versionType": "custom"}], "packageURL": "pkg:github/ffmpeg/ffmpeg", "repo": "https://code.ffmpeg.org/FFmpeg/FFmpeg"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndIncluding": "9.0.2"}]}]}], "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://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25341", "tags": ["issue-tracking"]}, {"url": "https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavformat/imfdec.c#L273", "tags": ["technical-description"]}, {"url": "https://github.com/FFmpeg/FFmpeg", "tags": ["product"]}, {"name": "VulnCheck Advisory: FFmpeg 5.0 through 9.0.2 Path Traversal via IMF Demuxer ASSETMAP Path", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/ffmpeg-5.0-through-9.0.2-path-traversal-via-imf-demuxer-assetmap-path"}], "credits": [{"lang": "en", "value": "BapToutatis", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[5.0,9.0.2]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "FFmpeg", "source": "cna", "vendor": "FFmpeg"}, "product": "ffmpeg", "vendor": "ffmpeg"}], "created": "2026-10-31T18:30:09.482656+00:00", "updated": "2026-10-31T18:45:14.515080+00:00", "vendors": ["ffmpeg", "ffmpeg$PRODUCT$ffmpeg"]}