SecurityBleepingComputerabout 1 hour ago
Hackers breach 274 Zimbra servers in ongoing attacks
1 min read
Threat actors compromised over 274 Zimbra instances exploiting CVE-2026-73570, a command injection flaw in the SNMP component. Synacor patched it in ZCS 10.1.20 on July 20. CISA ordered FCEB agencies to patch within three days, by August 24. Shadowserver reported 8,200 unpatched instances.
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