The Internet Is Falling Down, Falling Down, Falling Down (cPanel & WHM Authentication Bypass CVE-2026-41940)
Summary
The article analyzes a critical flaw in cPanel/WHM that enables authentication bypass (CVE-2026-41940). It breaks down how insecure session handling and caching can allow preauth or post-auth manipulation, and outlines both exploitation paths and defensive mitigations. It also features a detection artifact generator to help defenders identify vulnerable deployments.