Critical cPanel Login Bypass Vulnerability Enables Remote Root Access Affecting Hosting Providers and Their Clients
What Happened — A newly disclosed vulnerability in cPanel’s authentication flow allows an unauthenticated attacker to bypass the login screen and obtain root privileges on the underlying server. Exploitation was observed in the wild before the vendor released patches.
Why It Matters for TPRM —
- Attackers can gain full control of hosted environments, exposing all tenant data.
- The flaw affects a core component used by thousands of MSPs, SaaS platforms, and web‑hosting providers, creating a broad supply‑chain risk.
Who Is Affected — Web‑hosting companies, managed service providers, SaaS vendors that deploy cPanel for customer sites, and any downstream customers whose data resides on compromised servers.
Recommended Actions — Immediately apply the released cPanel patches, enforce multi‑factor authentication for all privileged accounts, rotate root credentials, and enable continuous monitoring for anomalous activity on affected systems.
Technical Notes — The vulnerability is an authentication bypass (CVE‑2024‑XXXX) that can be triggered via crafted HTTP requests, leading to remote code execution with root privileges. No public exploit code was released, but active exploitation was reported. Source: HackRead