CVE-2026-107660

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

4.8 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/0cd2a70eacd510c2efed48b9fc177c7cb2bc549f Patch
https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/57a2e704b4a6eda5d061b45aacde6b19c026bfc0 Patch
https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/d377212904a19fc740d721cbda0ba58fa3805a29 Patch
https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24383 Issue Tracking Patch
https://ffmpeg.org/ Product
https://github.com/FFmpeg/FFmpeg/blob/n9.0.1/libavformat/tls_mbedtls.c#L676-L681 Product
https://www.vulncheck.com/advisories/ffmpeg-before-8.1.3-and-9-x-before-9.0.2-mbedtls-hostname-verification-bypass-for-ip-hosts Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
History

14 Oct 2026, 23:56

Type Values Removed Values Added
CPE cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
References () https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/0cd2a70eacd510c2efed48b9fc177c7cb2bc549f - () https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/0cd2a70eacd510c2efed48b9fc177c7cb2bc549f - Patch
References () https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/57a2e704b4a6eda5d061b45aacde6b19c026bfc0 - () https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/57a2e704b4a6eda5d061b45aacde6b19c026bfc0 - Patch
References () https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/d377212904a19fc740d721cbda0ba58fa3805a29 - () https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/d377212904a19fc740d721cbda0ba58fa3805a29 - Patch
References () https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24383 - () https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24383 - Issue Tracking, Patch
References () https://ffmpeg.org/ - () https://ffmpeg.org/ - Product
References () https://github.com/FFmpeg/FFmpeg/blob/n9.0.1/libavformat/tls_mbedtls.c#L676-L681 - () https://github.com/FFmpeg/FFmpeg/blob/n9.0.1/libavformat/tls_mbedtls.c#L676-L681 - Product
References () https://www.vulncheck.com/advisories/ffmpeg-before-8.1.3-and-9-x-before-9.0.2-mbedtls-hostname-verification-bypass-for-ip-hosts - () https://www.vulncheck.com/advisories/ffmpeg-before-8.1.3-and-9-x-before-9.0.2-mbedtls-hostname-verification-bypass-for-ip-hosts - Third Party Advisory
First Time Ffmpeg
Ffmpeg ffmpeg

08 Oct 2026, 16:17

Type Values Removed Values Added
New CVE
Information

Published : 2026-10-08 16:17

Updated : 2026-10-14 23:56

NVD link : CVE-2026-107660

Mitre link : CVE-2026-107660

CVE.ORG link : CVE-2026-107660

JSON object : View

Products Affected

ffmpeg

  • ffmpeg
CWE
CWE-297

Improper Validation of Certificate with Host Mismatch