High severity · published Sep 23, 2026
CVE-2026-76979
XML Injection vulnerability
7.7
CVSS
2.1%
EPSS
No
On KEV
Description
ZohoCorp ManageEngine OpManager and Firewall Analyzer versions 12.8.709 and below were vulnerable to an XML Injection vulnerability in the Rule Tracking Compare Policies feature.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 81% 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-2026-76979
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-76979
www.manageengine.com
https://www.manageengine.com/itom/advisory/cve-2026-76979.html
More from ManageEngine Firewall Analyzer
9.8
CVE-2019-11678
The "default reports" feature in Zoho ManageEngine Firewall Analyzer before 12.3 Build 123218 is vulnerable to SQL Injection
9.8
CVE-2019-11677
The Custom Report import function in Zoho ManageEngine Firewall Analyzer before 12.3 Build 123224 is vulnerable to XML External Entity (XXE) Injection
8.8
CVE-2026-76978
Command Injection vulnerability
8.8
CVE-2026-14913
SQL Injection vulnerability
8.8
CVE-2022-37024
Zoho ManageEngine OpManager, OpManager Plus, OpManager MSP, Network Configuration Manager, NetFlow Analyzer, and OpUtils before 2022-07-29 through 2022-07-30 ( 125658, 126003,…