Canadian Web Hosting incident
All cPanel-based servers, especially on VPS and Dedicated servers.
Ongoing since 04:58 AM UTC.
We’d like to inform you about a recently identified security issue affecting cPanel’s nightly updates. If your server is running a cPanel version newer than 11.40.* (and not one of the secure versions listed in the advisory), it may be vulnerable to potential ransomware risks. We strongly recommend updating your cPanel/WHM to the latest secure version as soon as possible to mitigate this issue. For more details, please refer to the official advisory below: https://support.cpanel.net/hc/en-us/articles/40073787579671-Security-CVE-2026-41940-cPanel-WHM-WP2-Security-Update-04-28-2026
Update timeline
- identified Apr 30, 2026, 04:58 AM UTC
We’d like to inform you about a recently identified security issue affecting cPanel’s nightly updates. If your server is running a cPanel version newer than 11.40.* (and not one of the secure versions listed in the advisory), it may be vulnerable to potential ransomware risks. We strongly recommend updating your cPanel/WHM to the latest secure version as soon as possible to mitigate this issue. For more details, please refer to the official advisory below: https://support.cpanel.net/hc/en-us/articles/40073787579671-Security-CVE-2026-41940-cPanel-WHM-WP2-Security-Update-04-28-2026
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