CVE-2025-15079

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.

• CWE-297
• CWE-297

• 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
• https://www.openwall.com/lists/oss-security/2026/01/07/6Mailing List, Patch, Third Party Advisory

Published

Jan 8, 2026

Last Modified

Sep 15, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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