CVE-2025-15079

Medium

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.

SeverityMedium
CVSS5.3
Exploit probability—
ProductHaxx Curl
PublishedJan 8, 2026
First seenJan 8, 2026
Weakness typeCWE-297CWE-297

How to fix

Update
  • haxx curl8.18.0 or later

Affected products

ProductAffected versionsFixed in
haxx curl7.58.0 ≤ v < 8.18.08.18.0

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CVE-2025-15079 · Haxx Curl · Dark Radar