medium4.3
CVE-2026-120210
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 ASS…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| FFMPEG | FFmpeg | Version 5.0 ≤9.0.2 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-437x-xcvf-w98c
- https://nvd.nist.gov/vuln/detail/CVE-2026-120210
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25341
- https://github.com/FFmpeg/FFmpeg
- https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavformat/imfdec.c#L273
- https://www.vulncheck.com/advisories/ffmpeg-5.0-through-9.0.2-path-traversal-via-imf-demuxer-assetmap-path