CVE-2025-10966

curl's code for managing SSH connections when SFTP was done using the wolfSSH
powered backend was flawed and missed host verification mechanisms.

This prevents curl from detecting MITM attackers and more.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
UNKNOWN
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curlCNA
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CVEADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
curl
bullseye
unimportant
bullseye (security)
unimportant
bookworm
unimportant
bookworm (security)
unimportant
trixie
unimportant
forky
8.17.0~rc3-1
fixed
sid
8.17.0-1
fixed
Vulnerability Media Exposure
References
https://curl.se/docs/CVE-2025-10966.html
https://curl.se/docs/CVE-2025-10966.json
https://hackerone.com/reports/3355218
http://www.openwall.com/lists/oss-security/2025/11/05/2