CVE-2026-41940: Critical Exploited Authentication Bypass Vulnerability in cPanel & WHM
On April 28, 2026, cPanel patched a critical authentication bypass vulnerability affecting cPanel and WebHost Manager (WHM), tracked as CVE-2026-41940. The issue stems from a flaw in the login and session handling process that allows Carriage Return Line Feed (CRLF) injection, enabling remote threat actors to bypass authentication and gain unauthorized access to the control panel.