CVE-2025-15079

Name: CVE-2025-15079
Creator: NVD / NIST
Published: 2026-01-08T10:15:47.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2025-15079 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.46%

36.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-297

Affected Software

Vendor	Product	Versions
Haxx	Curl	>= 7.58.0, < 8.18.0

References

https://curl.se/docs/CVE-2025-15079.htmlPatch, Vendor Advisory
https://curl.se/docs/CVE-2025-15079.jsonVendor Advisory
https://hackerone.com/reports/3477116Exploit, Issue Tracking, Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/01/07/6Mailing List, Patch, Third Party Advisory

Timeline

Published: Jan 8, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-15079?

How severe is CVE-2025-15079?

CVE-2025-15079 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2025-15079?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-15079?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST