Critical CVEs CVE-2026-50055: Zimbra Mail Forwarding Restriction Bypass July 21, 2026 ♡Follow0 A vulnerability in Zimbra that allows authenticated users to bypass mail forwarding restrictions and exfiltrate email. Discovered by Rapid7 researcher Jonah Burgess. Discovered from: Zimbra Patches Critical SNMP Command Injection and Multiple XSS Flaws bypassCVE-2026-50055exfiltrationmail forwardingZimbra