CVE-2026-8431 PUBLISHED

Ops Manager RCE via webhook body

Assigner: mongodb
Reserved: 12.05.2026 Published: 12.05.2026 Updated: 12.05.2026

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.

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
CVSS Score: 9.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	High
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 7.2

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	MongoDB, Inc.
Product	Ops Manager
Versions	Default: unaffected affected from 7.0 to 8.0.23 (excl.)

References

https://www.mongodb.com/docs/ops-manager/current/release-notes/application/#onprem-server-8.0.23

Problem Types

CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE