CVE-2026-107675

FFmpeg through 9.0.2 contains a missing host key verification vulnerability in the libssh-based sftp protocol handler that allows network attackers to impersonate SFTP servers. Attackers performing man-in-the-middle, DNS, or ARP spoofing can capture passwords supplied in sftp URLs, serve forged media, or receive uploaded output.

Score

CVSS 4.0 6.0 Medium

Status

Analyzed - disclosure@vulncheck.com

Published

2026-10-08

Last modified

2026-10-14

Weaknesses

CWE-322

Affected products

• Ffmpeg (Ffmpeg)

References

• https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24384
• https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/2b822b7fb6ed195546bc9fd9bdb794e98222bdce
• https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavformat/libssh.c#L60-L110
• https://ffmpeg.org/
• https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-missing-ssh-host-key-verification-in-sftp-protocol