A severe vulnerability identified as CVE-2026-65643 in cPanel infrastructure exposes hosting servers to unauthorized privilege escalation. The flaw permits users with legitimate domain management privileges to bypass security controls and gain root-level access across entire server environments. This critical security gap affects multi-tenant hosting scenarios where multiple customers share infrastructure. cPanel has released patches to remediate the vulnerability, urging administrators to implement updates immediately to prevent potential unauthorized system access and data compromise.

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