Key Exchange without Entity Authentication in cURL - CVE-2025-10966

Vulnerability identifier: #VU118098

CSH Severity: Low

CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:L/SA:N]

CVE-ID: CVE-2025-10966

CWE-ID: CWE-322

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to missing SFTP host key verification when using wolfSSH powered backend. A remote attacker can perform MitM attack.

cURL
Nessus Network Monitor
Anolis OS
curl
curl-minimal
libcurl
libcurl-devel
libcurl-minimal
curl-doc

Install updates from vendor's website.

cURL - update to 8.17.0
Nessus Network Monitor - update to 6.5.3
curl - update to 8.4.0-13
curl-minimal - update to 8.4.0-13
libcurl - update to 8.4.0-13
libcurl-devel - update to 8.4.0-13
libcurl-minimal - update to 8.4.0-13
curl-doc - update to 8.4.0-13

• https://curl.se/docs/CVE-2025-10966.html

• Missing SFTP host verification in cURL
• Tenable Network Monitor update for third-party components
• Anolis OS update for curl