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Medium 4.3Published Nov 7, 2025
CVE-2025-10966curl's code for managing SSH connections when SFTP was done using the wolfSSH powered backend was flawed and missed host verification mechanisms.
Updated under an hour ago ()
Does this affect you?
It affects haxx curl. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 4.3 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-322
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Sep 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
haxx curl haxx:curl | from 7.69.0 before 8.17.0 | NVD |
References
- https://curl.se/docs/CVE-2025-10966.htmlpatch, vendor-advisory
- https://curl.se/docs/CVE-2025-10966.jsonvendor-advisory
- https://hackerone.com/reports/3355218exploit, issue-tracking, third-party-advisory
- http://www.openwall.com/lists/oss-security/2025/11/05/2mailing-list, patch, third-party-advisory
- https://cert-portal.siemens.com/productcert/html/ssa-253495.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.