What is the CVSS score of CVE-2025-10966?

CVE-2025-10966 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Curl are affected by CVE-2025-10966?

CVE-2025-10966 presents moderate security risk rated CVSS 4.3. Exploitation could compromise the security of affected deployments. Proof-of-concept code is publicly available.. A patch is available.

Is there a public PoC exploit available for CVE-2025-10966?

Yes, a public proof-of-concept exploit is available for CVE-2025-10966. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-10966?

During next maintenance window: Identify affected systems and apply vendor patches when convenient. Vendor patch is available.

Curl CVE-2025-10966

MEDIUM

2025-11-07 2499f714-1537-4658-8207-48ae4bb9eae9

Information Disclosure Red Hat Curl Suse

4.3

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:20 vuln.today

Patch released

Mar 28, 2026 - 19:20 nvd

Patch available

PoC Detected

Jan 20, 2026 - 14:57 vuln.today

Public exploit code

CVE Published

Nov 07, 2025 - 08:15 nvd

MEDIUM 4.3

DescriptionNVD

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.

AnalysisAI

curl's code for managing SSH connections when SFTP was done using the wolfSSH powered backend was flawed and missed host verification mechanisms. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Technical ContextAI

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. Affected products include: Haxx Curl.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.