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Vulnerabilities

Vulnerability · 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.

Published Nov 7, 2025 · catalog updated Sep 15, 2026 · curl's code for managing

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-10966. EPSS is 0.43%. Act only if a listed version of curl's code for managing is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (curl's code for managing).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.43%
Remediation
Vendor / distro source
Affected products
vendor curl curl 7.71.0

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor curl curl 7.71.07.71.0

How to fix CVE-2025-10966

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-10966. EPSS is 0.43%. Act only if a listed version of curl's code for managing is installed.

Which versions are affected?

Compare what you have installed with curl curl 7.71.0 7.71.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.43%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 7, 2025 · EUVD

    Detected

    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.

  2. Sep 15, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-10966

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-10966

    30-day exploitation probability 0.43%

    first.org
  • EUVDVulnerability recordEUVD-2025-38240

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 2, 2026
  • CVE.orgOct 23, 2026
  • EUVDOct 23, 2026