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Synacor vulnerabilities: CVEs, exploitation and patches

Every Synacor CVE reviewed by Diras Labs analysts, newest first, with exploitation status and fixes.

CVE-2026-73570
Zimbra Collaboration Suite OS command injection via SMTP/SNMP Synacor Zimbra Collaboration Suite (ZCS) · Sep 29, 2026
- CISA KEV
- EXPLOITED
- PoC PUBLIC
- PATCH AVAILABLE
HIGH 8.9