Roundcube security advisory (AV26-300)

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        <div><p><strong>Serial number: </strong>AV26-300<br /><strong>Date: </strong>March 30, 2026</p>

On March 29, 2026, Roundcube published security advisories to address vulnerabilities in the following product:

  • Webmail – versions prior to 1.6.15
  • Webmail – versions prior to 1.5.15
  • Webmail – versions prior to 1.7 RC6

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

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Article Link: Roundcube security advisory (AV26-300) - Canadian Centre for Cyber Security