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CVE-2026-8431

Ops Manager RCE via webhook body

HIGH
7.2
CVSS Score
Published: May 12, 2026 at 06:37 PM UTC
Updated: October 26, 2026 at 06:10 PM UTC
1 product affected across 1 vendorOps Manager

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Severity
HIGH7.2
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ops Manager· MongoDB
95%
7.0.0 ≤ v < 8.0.237.0
Affected range stops below 8.0.23, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Release NotesVendor Advisory
Source: cverecord
https://www.mongodb.com/docs/ops-manager/current/release-notes/application/#onprem-server-8.0.23

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHmongodb
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-77

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