CVE-2026-73570

Pierluigi Paganini August 22, 2026
U.S. CISA adds Zimbra Collaboration Suite (ZCS) flaw to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Zimbra Collaboration Suite (ZCS) flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the Zimbra Collaboration Suite (ZCS) flaw CVE-2026-73570 to its Known Exploited Vulnerabilities (KEV) catalog. CERT Polska, Poland’s national computer emergency response team, confirmed this week that threat actors […]

Pierluigi Paganini August 21, 2026
Poland’s CERT Warns of Active Exploitation of Critical Zimbra Collaboration Suite Flaw

CERT Polska confirmed active exploitation of CVE-2026-73570, a critical unauthenticated RCE in Zimbra Collaboration Suite patched on July 20. CERT Polska, Poland’s national computer emergency response team, confirmed this week that threat actors are actively exploiting a critical vulnerability in Zimbra Collaboration Suite tracked as CVE-2026-73570. The flaw allows unauthenticated remote code execution and was […]