Roundcube security advisory (AV26-657)

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        <div><p><strong>Serial number:</strong> AV26-657<br /><strong>Date:</strong> July 6, 2026</p>

On July 5, 2026, Roundcube published security advisories to address vulnerabilities in the following product: 

  • Roundcube Webmail – versions prior to 1.6.17
  • Roundcube Webmail – versions prior to 1.7.2

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

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Article Link: https://cyber.gc.ca/en/alerts-advisories/roundcube-security-advisory-av26-657