What is CVE-2026-73570?

CVE-2026-73570 is a high-severity vulnerability in Zimbra Collaboration, classified under OS Command Injection. CVSS score: 8.9/10. Published 2026-08-13.

How severe is CVE-2026-73570?

High severity. CVSS v3 base score is 8.9 out of 10.

RCE in Zimbra Collaboration

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 no…

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 8.9 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L.

Affected products

Zimbra Collaboration — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-73570?: CVE-2026-73570 is a high-severity vulnerability in Zimbra Collaboration, classified under OS Command Injection. CVSS score: 8.9/10. Published 2026-08-13.
How severe is CVE-2026-73570?: High severity. CVSS v3 base score is 8.9 out of 10.