Hosting - cPanel/WHM degraded.

Incident Report for 123 Reg

Resolved

The cPanel patch has been successfully applied to supported and managed systems, and we have re-opened all cPanel and WHM services.
Posted Apr 29, 2026 - 19:07 BST

Identified

The patch has been successfully applied to shared web hosting and we have re-opened the appropriate services on shared web hosting.
Posted Apr 29, 2026 - 06:38 BST

Update

We have received the appropriate patch from the vendor and are working to ensure it won't disrupt service to websites and other services. As soon as tests pass and we are confident in the patch and the patch has been successfully applied to shared
web hosting, we will re-open the appropriate services.

For VPS customers, please follow the guidance below to update to the latest version manually.

https://docs.cpanel.net/whm/cpanel/upgrade-to-latest-version/
Posted Apr 28, 2026 - 22:59 BST

Investigating

Due to a critical vulnerability identified by cPanel's developers, we have received guidance to disable access to certain cPanel features. To protect your website and account, we have temporarily disabled access to cPanel and WebHostManager (WHM) administrative interfaces, webmail, and webdisk. Your website will remain accessible.

For more information see https://support.cpanel.net/hc/en-us/articles/40073787579671-Critical-Vulnerability-with-cPanel-WHM-Login-Authentication
Posted Apr 28, 2026 - 22:41 BST
This incident affected: Advanced Hosting (Virtual Private Server (VPS)) and Shared Hosting (Web Hosting, Web Hosting Plus).