CVE-2026-107675
FFmpeg through 9.0.2 Missing SSH Host Key Verification in sftp Protocol
- State
- Published
- Severity
- 6.0 Medium
- Published
- Oct 8, 2026
- Updated
- Oct 8, 2026
- Reserved
- Oct 8, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.0 Medium | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.9 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N | VulnCheck |
Weaknesses
- CWE-322 Key Exchange without Entity Authentication
Affected Products
| Product | Versions |
|---|---|
FFmpegFFmpeg |
|
References
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24384patch
- https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/2b822b7fb6ed195546bc9fd9bdb794e98222bdcepatch
- https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavformat/libssh.c#L60-L110technical-description
- https://ffmpeg.org/product
- VulnCheck Advisory: FFmpeg through 9.0.2 Missing SSH Host Key Verification in sftp Protocolthird-party-advisory
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