CVE-2026-107660
Medium · 4.8CVSS
4.8
EPSS
0.1%
Published
Oct 8, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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