CVE-2026-71965: Usmannasir CyberPanel

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

CyberPanel 2.4.3, fixed in commit eca0c3c, contains an authenticated remote code execution vulnerability in the remote backup feature that allows authenticated attackers to gain root-level SSH access by supplying a malicious remote server address. Attackers can exploit the unverified SSH public key retrieval process to write an attacker-controlled public key directly to /root/.ssh/authorized_keys, granting persistent root access to the host system.

Affected products

• Usmannasir CyberPanel: up to and including 2.4.3

Published 2026-08-10. Last modified 2026-09-08.