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CVE-2026-84789: CWE-639 Authorization bypass through User-Controlled key in Zohocorp ManageEngine OpManager

0
High
VulnerabilityCVE-2026-84789cvecve-2026-84789cwe-639
Published: 09/23/2026 (09/23/2026, 11:51:43 UTC)
Source: CVE Database V5
Vendor/Project: Zohocorp
Product: ManageEngine OpManager

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 v3.1

Score 7.1high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Affected software

Zohocorp

ManageEngine OpManager

Affected versions
>=0 <12.8.711

Zohocorp

ManageEngine Firewall Analyzer

Affected versions
>=0 <12.8.711

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/23/2026, 12:17:40 UTC

Technical Analysis

CVE-2026-84789 is a Broken Access Control vulnerability in ZohoCorp ManageEngine OpManager and Firewall Analyzer versions up to 12.8.710. It allows an authenticated user with low privileges to bypass authorization restrictions and create alert notifications for firewalls that are outside their assigned scope. This vulnerability is due to improper validation of user-controlled keys used in authorization checks.

Potential Impact

An attacker with low-privilege authenticated access can create alert notifications for firewalls beyond their authorized scope, potentially leading to unauthorized monitoring or manipulation of firewall alerts. The vulnerability has a CVSS 3.1 score of 7.1, indicating high severity with high confidentiality impact, low integrity impact, and no availability impact.

Mitigation Recommendations

No official patch or remediation link is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict low-privilege user access and monitor for unusual alert creation activities related to firewalls outside assigned scopes.

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Technical Details

Data Version
5.2
Assigner Short Name
Zohocorp
Date Reserved
2026-09-02T10:16:27.673Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6ab3c000f7a7c54106bb6df3

Added to database: 09/23/2026, 12:03:12 UTC

Last enriched: 09/23/2026, 12:17:40 UTC

Last updated: 09/24/2026, 01:57:04 UTC

Views: 12

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