CVE-2026-8431 CRITICAL

CVE-2026-8431: Ops Manager RCE via webhook body

Vendor Mongodb, Inc.
Product Ops Manager
Weakness CWE-77
Published May 12, 2026
Last update May 12, 2026

CVSS base score

9.4/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 12, 2026 CVE published
May 12, 2026 Record updated