🛡️ **CRITICAL ZIMBRA RCE ACTIVELY EXPLOITED — PATCH IMMEDIATELY**
Published Thursday, August 20, 2026 at 04:43 AM PT BLUF: Critical remote code execution (RCE) vulnerability in Zimbra is now actively exploited in the wild. Organizations running Zimbra mail platform must patch urgently. Scope, affected versions, and patch availability have not been confirmed — verify with Zimbra immediately. DETAILS: BleepingComputer confirms active, in-the-wild exploitation of a critical Zimbra RCE flaw Corroborating reports from news4hackers and multiple security sources Vulnerability allows remote code execution (attacker-controlled command execution on the target system) Related Zimbra vulnerabilities also documented: zero-click email theft flaw and web client XSS flaw (scope and exploitation status unclear) Unconfirmed: specific CVE number, affected Zimbra versions, technical exploit details, patch status, or attack attribution IMPACT: ...