High severity · published Sep 23, 2026
CVE-2026-76978
Command Injection vulnerability
8.8
CVSS
8.1%
EPSS
No
On KEV
Description
ZohoCorp ManageEngine OpManager and Firewall Analyzer versions 12.8.709 and below were vulnerable to a Command Injection vulnerability in the Diagnose Settings feature.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.1% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MF
ManageEngine Firewall Analyzer · ZohoCorp
before 12.8.710 · source: vendor
MO
ManageEngine OpManager · Zohocorp
before 12.8.710 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-76978
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-76978
www.manageengine.com
https://www.manageengine.com/itom/advisory/cve-2026-76978.html
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