Arbitrary Cmd Exec via Webhook FreeMarker in MongoDB Ops Manager 7.x & 8.0.22-
CVE-2026-8431 Published on May 12, 2026

Ops Manager RCE via webhook body
An administrative user with access to configure webhooks can execute arbitrary commands by configuring and then triggering webhooks containing specific FreeMarker template syntax.  This issue affects all MongoDB Ops Manager 7.0 versions and MongoDB Ops Manager versions 8.0.22 and prior.

NVD

Vulnerability Analysis

CVE-2026-8431 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Command Injection Vulnerability?

The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

CVE-2026-8431 has been classified to as a Command Injection vulnerability or weakness.


Products Associated with CVE-2026-8431

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MongoDB Ops Manager
 

Affected Versions

MongoDB, Inc. Ops Manager: