When doing SSH-based transfers using either SCP or SFTP, and setting the
known_hosts file, libcurl could still mistakenly accept connecting to hosts
*not present* in the specified file if they were added as recognized in the
libssh *global* known_hosts file.
References
| Link | Resource |
|---|---|
| https://curl.se/docs/CVE-2025-15079.html | Vendor Advisory Patch |
| https://curl.se/docs/CVE-2025-15079.json | Vendor Advisory |
| https://hackerone.com/reports/3477116 | Exploit Issue Tracking Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2026/01/07/6 | Mailing List Third Party Advisory Patch |
Configurations
History
20 Jan 2026, 14:50
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Haxx curl
Haxx |
|
| CPE | cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* | |
| References | () https://curl.se/docs/CVE-2025-15079.html - Vendor Advisory, Patch | |
| References | () https://curl.se/docs/CVE-2025-15079.json - Vendor Advisory | |
| References | () https://hackerone.com/reports/3477116 - Exploit, Issue Tracking, Third Party Advisory | |
| References | () http://www.openwall.com/lists/oss-security/2026/01/07/6 - Mailing List, Third Party Advisory, Patch |
08 Jan 2026, 15:15
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-297 | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 5.3 |
08 Jan 2026, 11:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
08 Jan 2026, 10:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-01-08 10:15
Updated : 2026-01-20 14:50
NVD link : CVE-2025-15079
Mitre link : CVE-2025-15079
CVE.ORG link : CVE-2025-15079
JSON object : View
Products Affected
haxx
- curl
CWE
CWE-297
Improper Validation of Certificate with Host Mismatch