CVE-2026-76979 ZohoCorp ManageEngine OpManager & Firewall Analyzer - XML External Entity Injection

ZohoCorp ManageEngine OpManager and Firewall Analyzer <= 12.8.709 contain an xml external entity injection caused by improper input handling in the Rule Tracking Compare Policies feature, letting attackers perform XML injection remotely, exploit requires no special privileges.

CVSS base score 7.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
1.13% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
XML External Entity Injection
Impact
XML External Entity Injection
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Published
23 September 2026
Updated
15 October 2026
Weakness
CWE-91

Vendor fix

Update to the latest version above 12.8.709.

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

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