Zimbra security advisory (AV26-964)
Brief
Serial Number: AV26-964
Date: September 25, 2026
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.
- What’s New in Zimbra 10.1.21 (Daffodil)
- Zimbra Blog - All Things Zimbra
Zimbra security advisory (AV26-964) - Canadian Centre for Cyber Security