Name: CVE-2026-73570: Improper Neutralization of Special Elements used in an OS Command
Creator: Rapid7
Published: 2026-08-13T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-73570, CWE-78, Exploited in the Wild, CISA KEV Exploit, CVSS 8.9, EPSS 0.71663, CISA KEV

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 specially crafted SMTP requests that may result in execution of arbitrary operating system commands as the Zimbra user.

CVSS Details

CVSS 3.1 Base Score: 8.9
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Zimbra Collaboration	—	Upgrade Zimbra Collaboration to the latest version	Aug 14, 2026	Aug 13, 2026

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CVSS Details

Covered by Rapid7

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