Vulnerability · Published Nov 7, 2025 · Assigned by curl
CVE-2025-10966missing SFTP host verification with wolfSSH
Medium 4.3
In plain English
A medium-severity security flaw in curl from curl. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.4%top 62.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.23 | curl | 8.17.0-r0 | ALPINE-CVE-2025-10966 |
| Alpine:v3.24 | curl | 8.17.0-r0 | ALPINE-CVE-2025-10966 |
| Debian:12 | curl | no fix listed | DEBIAN-CVE-2025-10966 |
| Debian:13 | curl | no fix listed | DEBIAN-CVE-2025-10966 |
| Debian:14 | curl | 8.17.0~rc2-1 | DEBIAN-CVE-2025-10966 |
Affected products (as reported)
Weakness: CWE-322 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N