All vulnerabilities

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

SoftwareAffected versions
FFmpegServers and applications · cpe:a:ffmpeg:ffmpeg
  • Every version before 8.1.3
  • From 9.0 before 9.0.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-107660
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-107660