# Critical Zimbra Vulnerability Allows Remote Code Execution via Malicious Emails

A critical security flaw in Zimbra Collaboration Suite enables attackers to execute arbitrary code by sending specially crafted emails to user sessions. This vulnerability could lead to full compromise of email accounts and server access. Users are urged to apply security patches immediately.

**Importance:** 4/5

## Sources

### Security
- [The Hacker News](https://thehackernews.com/2026/07/critical-zimbra-flaw-could-let-crafted_0483473395.html) — Sat, 11 Jul 2026 12:15:55 +0530
- [The Hacker News](https://thehackernews.com/2026/07/cursor-flaw-lets-malicious-cloned.html) — Wed, 15 Jul 2026 16:25:22 +0530
- [The Hacker News](https://thehackernews.com/2026/07/critical-nginx-vulnerability-can-crash.html) — Mon, 20 Jul 2026 02:12:49 +0530
- [The Hacker News](https://thehackernews.com/2026/07/zimbra-patches-critical-snmp-command.html) — Tue, 21 Jul 2026 18:48:31 +0530