The critical libssh2 CVE-2026-55200 flaw inverts SSH security: the remote server attacks the connecting client, no credentials needed. A public PoC is out and the official patched release has not shipped.

libssh2 CVE-2026-55200 Shows Why Outbound SSH Is an Attack Surface on Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses.

Rebecca Sutton

Source: LatestHackingNews
Source Link: https://latesthackingnews.com/2026/06/30/libssh2-cve-2026-55200-client-ssh-risk/