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Vulnerabilities & PatchesEmerging1 sourceAug 21, 2026 · 00:00via CISA KEV

CVE-2026-73570 - Zimbra Collaboration Suite (ZCS) OS Command Injection Vulnerability

Brief

Zimbra Collaboration Suite (ZCS) contains an OS command injection vulnerability which could allow an unauthenticated attacker to send specially crafted SMTP requests that may result in execution of arbitrary operating system commands as the Zimbra user.

Read more on CISA KEV→
Vulnerabilities & PatchesCVE-2026-73570