PatchTheCVECVE-2026-107697: FFmpeg before 8.1.3 contains a protection mechanism failure in the HLS demuxer that allows attackers to bypass
CVE-2026-107697 is a medium-severity flaw (CVSS 4.3) affecting ffmpeg. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.3% (top 75%) |
| CISA exploited list | No |
| Weakness | CWE-693 |
| Published | 2026-10-08 |
| Last modified | 2026-10-15 |
Last updated 2026-10-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-107697?
ffmpeg: upgrade to 8.1.3. Exact commands for each OS are on this page.
Is CVE-2026-107697 being exploited?
CVE-2026-107697 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-107697 affect?
CVE-2026-107697 affects ffmpeg. Severity is medium (CVSS 4.3). 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 c
How urgent is CVE-2026-107697?
Priority 21/100. No elevated risk signals yet.
Software pages
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