cPanel security advisory (AV26-861)

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        <div><p><strong>Serial Number: </strong>AV26-861<br /><strong>Date: </strong>August 28, 2026</p>

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

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Article Link: cPanel security advisory (AV26-861) - Canadian Centre for Cyber Security