Zimbra security advisory (AV26-964)

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        <div><p><strong>Serial Number:</strong> AV26-964<br /><strong>Date:</strong> September 25, 2026</p>

As of September 25, 2026, Zimbra is affected by vulnerabilities in the following product:

  • Zimbra Collaboration Suite (ZCS) (Daffodil)
    • Prior to 10.1.21

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: Zimbra security advisory (AV26-964) - Canadian Centre for Cyber Security