CVE-2026-8431: MongoDB Ops Manager

High severity, CVSS 7.2. EPSS: 0.7% chance of exploitation in the next 30 days.

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.

Affected products

• MongoDB Ops Manager: from 7.0.0, before 8.0.23 (fixed in 8.0.23)

Published 2026-05-12. Last modified 2026-09-24.