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From One Account to Every Mailbox: Breaking Zimbra's Identity Boundaries (Part 1)

📅 October 17, 2026 📰 www.rapid7.com 🔍 5 CVE(s) referenced

Rapid7 uncovered Zimbra flaws that let attackers bypass login protections and turn one compromised account into trusted sender impersonation, cross-user mailbox theft, and persistent email exfiltration.

vendor
CVE-2026-50055, CVE-2026-10631, CVE-2026-73571, CVE-2026-93635, CVE-2026-93637

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