What is CVE-2026-76978?

CVE-2026-76978 is a high-severity vulnerability in Zohocorp Manageengine Firewall Analyzer, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-09-23.

How severe is CVE-2026-76978?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Zohocorp Manageengine Firewall Analyzer

CVE-2026-76978

ZohoCorp ManageEngine OpManager and Firewall Analyzer versions 12.8.709 and below were vulnerable to a Command Injection vulnerability in the Diagnose Settings feature.

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-09-23 · last modified 2026-09-24.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

0fc0942c-577d-436f-ae8e-945763c79b02

Frequently asked questions

What is CVE-2026-76978?: CVE-2026-76978 is a high-severity vulnerability in Zohocorp Manageengine Firewall Analyzer, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-09-23.
How severe is CVE-2026-76978?: High severity. CVSS v3 base score is 8.8 out of 10.