Servers and applications
CVE-2026-107660
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.
- Severity
- Medium 6.3
- Published
- 8 Oct 2026
- Last changed
- 14 Oct 2026
- Added to UpHeron
- 1 Nov 2026
- Fixed in
- 8.1.3, 9.0.2
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
FFmpegServers and applications · cpe:a:ffmpeg:ffmpeg |
|