Zimbra Patches Critical SNMP Command Injection and Four XSS Vulnerabilities

Jul 21, 2026

Zimbra has rolled out fixes to address multiple critical security issues, including a command injection flaw in the Simple Network Management Protocol (SNMP) monitoring component.

As many as nine security vulnerabilities have been patched in Zimbra 10.1.20. Topping the list is a command injection vulnerability in the SNMP monitoring component when SNMP notifications are enabled.

Also patched

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