ThreatsTechnology, Cloud & SaaSCriticalCISA Orders Remediation for Critical Zimbra Collaboration Suite OS Command Injection Flaw CVE-2026-73570Federal agencies face strict remediation deadlines as CISA confirms active exploitation of CVE-2026-73570, allowing unauthenticated adversaries to execute root shell commands on Zimbra mail servers.Priya Raman·15 Sep 2026, 07:55 IST·8 min read