CVE-2026-73570

CVE-2026-73570 — Zimbra zimbra-snmp Unauthenticated OS Command Injection PoC Proof-of-concept exploit for CVE-2026-73570 , an unauthenticated OS command injection CWE-78, CVSS 8.9 in Zimbra Collaboration Suite Disclaimer: This PoC is intended only for authorized security testing , defensive...

CVE-2026-73570

CVE-2026-73570 PoC - SMTP Command Injection Tester A custom, low-level Python proof-of-concept PoC script for testing SMTP command injection vulnerabilities CVE-2026-73570. This tool sends a malformed RCPT TO address containing shell-style command substitution e.g., $command to determine if the...

Attackers Exploit Zimbra Flaw to Deploy Web Shells and Harvest Authentication Secrets

Threat actors have weaponized a now-patched security flaw in Zimbra Collaboration Suite ZCS to deploy web shells and access mailbox data, according to findings from the Microsoft Security Research team. The attack exploits CVE-2026-73570 CVSS score: 8.9, an unauthenticated operating system comman...

Unauthenticated command injection on internet-facing mail servers: tracking CVE-2026-73570

In this article 1. Attack chain overview 2. Mitigation and protection guidance 3. References 4. Learn More Microsoft Threat Intelligence identified and tracked exploitation of CVE-2026-73570 , an unauthenticated OS command injection vulnerability in the Zimbra Collaboration Suite SNMP notificatio...

Exploit for OS Command Injection in Synacor Zimbra_Collaboration_Suite

CVE-2026-73570 — Zimbra zimbra-snmp Unauthenticated OS Command...

CVE-2026-73570

CVE-2026-73570 PoC - Probador de Inyección de Comandos SMTP Un script personalizado de prueba de concepto PoC en Python de bajo nivel para probar vulnerabilidades de inyección de comandos SMTP CVE-2026-73570. Esta herramienta envía una dirección RCPT TO malformada que contiene sustitución de...

Exploit for OS Command Injection in Synacor Zimbra_Collaboration_Suite

CVE-2026-73570 PoC - SMTP Command Injection Tester A custom,...

zimbra-snmp Code Execution

The vulnerability of the zimbra-snmp package in the Zimbra Collaboration Suite email management system is related to the lack of measures taken to neutralize special elements. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

Zimbra Collaboration Suite SNMP notification vulnerability

Added: 08/24/2026 Background Zimbra Collaboration Suite is an email, calendar, and collaboration solution for enterprises. Problem A vulnerability in Zimbra Collaboration Suite with SNMP notifications enabled could allow a remote attacker to execute arbitrary commands. Resolution Upgrade to Zimbr...

CVE-2026-73570

A remote code execution vulnerability exists in Zimbra Collaboration ZCS before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled. Due to improper sanitization of untrusted input during SNMP notification processing, an unauthenticated attacker can send...

CVE-2026-73570: Improper Neutralization of Special Elements used in an OS Command

A remote code execution vulnerability exists in Zimbra Collaboration ZCS before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled. Due to improper sanitization of untrusted input during SNMP notification processing, an unauthenticated attacker can send...