cPanel security advisory (AV26-861)
Brief
Serial Number: AV26-861
Date: August 28, 2026
As of August 27, 2026, cPanel is affected by vulnerabilities in the following products:
- cPanel & WebHost Manager (WHM) software
- Prior to 11.110.0.141
- Prior to 11.134.0.53
- Prior to 11.136.0.37
- Prior to 11.138.0.2
- Prior to WP2: 11.138.1.7
The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available
- Security: CVE-2026-65643 Vulnerability in cPanel’s Domain Parking Functionality - August 27, 2026
- cPanel Security
cPanel security advisory (AV26-861) - Canadian Centre for Cyber Security