CVE-2026-73570 Exploited in the Wild: Unauthenticated RCE Hits Zimbra Vulnerability Report CVE-2026-73570 Exploited in the Wild: Unauthenticated RCE Hits Zimbra Do Son August 20, 2026 0 TL;DR CERT Polska reports active exploitation of a Zimbra unauthenticated remote code execution flaw, tracked as CVE-2026-73570.... Read More Read more about CVE-2026-73570 Exploited in the Wild: Unauthenticated RCE Hits Zimbra