---
title: "CVE-2026-76978: ZohoCorp ManageEngine OpManager & Firewall Analyzer - Command Injection"
description: "ZohoCorp ManageEngine OpManager and Firewall Analyzer <= 12.8.709 contain a command injection caused by improper input handling in the Diagnose Settings feature, letting attackers execute arbitrary commands remotely, exploit requires network access."
url: https://panop.io/threat-heartbeat/CVE-2026-76978/
---

# CVE-2026-76978 ZohoCorp ManageEngine OpManager & Firewall Analyzer - Command Injection

ZohoCorp ManageEngine OpManager and Firewall Analyzer <= 12.8.709 contain a command injection caused by improper input handling in the Diagnose Settings feature, letting attackers execute arbitrary commands remotely, exploit requires network access.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

3.72% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-76978)

## Details

Type

Command Injection

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

23 September 2026

Updated

15 October 2026

Weakness

[CWE-78](https://cwe.mitre.org/data/definitions/78.html)

## Vendor fix

Update to a version later than 12.8.709 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-76978](https://nvd.nist.gov/vuln/detail/CVE-2026-76978)
- [https://www.manageengine.com/itom/advisory/cve-2026-76978.html](https://www.manageengine.com/itom/advisory/cve-2026-76978.html)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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