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Zimbra Collaboration Suite (10.1.16, 10.1.21)

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high advisory

Zimbra Collaboration Suite: Local privilege escalation in zmmailboxdmgr (CVE-2026-50056)

A local privilege escalation vulnerability in the Zimbra Collaboration Suite zmmailboxdmgr launcher allows the zimbra user to execute arbitrary commands as root via improper JVM argument validation in sudo.

Zimbra Collaboration Suite
1t 1c