High severity · published Sep 23, 2026
CVE-2026-84789
Broken Access Control vulnerability
7.1
CVSS
1.4%
EPSS
No
On KEV
Description
ZohoCorp ManageEngine OpManager and Firewall Analyzer versions 12.8.710 and below were vulnerable to a Broken Access Control vulnerability that allowed an authenticated low-privilege user to create alert notifications for firewalls outside their assigned scope.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% 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 12.8.711 · source: vendor
MO
ManageEngine OpManager · Zohocorp
before 12.8.711 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-84789
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-84789
www.manageengine.com
https://www.manageengine.com/itom/advisory/cve-2026-84789.html
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