cURL SSH SFTP Backend Missing Host Verification, MITM Risk
CVE-2025-10966 Published on November 7, 2025

missing SFTP host verification with wolfSSH
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.

NVD

Vulnerability Analysis

CVE-2025-10966 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
NONE
Availability Impact:
NONE

Products Associated with CVE-2025-10966

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Haxx Curl
 

Affected Versions

curl:

Exploit Probability

EPSS
0.01%
Percentile
2.89%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.