Critical cPanel Authentication Vulnerability Identified — Update Your Server Immediately
Apr 29, 2026
Vulnerability / Web Hosting
cPanel has released security updates to address a security issue impacting various authentication paths that could allow an attacker to obtain access to the control panel software. The problem affects all currently supported versions of cPanel and WebHost Manager (WHM), according to an alert published by WebPros on Tuesday. It does not have an official identifier. The issue has been addressed in the following versions - 11.86.0.41 11.110.0.97 11.118.0.63 11.126.0.54 11.130.0.19 11.132.0.29 11.136.0.5 11.134.0.20 "If your server is not running a supported version of cPanel that is eligible for this update, it is highly recommended that you work toward updating your server as soon as possible, as it may also be affected," cPanel noted. While cPanel did not share any details about the vulnerability, web hosting and domain registration company Namecheap disclosed that it "relates to an authentication login exploit that could allow unauthorized access to the ...