CVE-2026-9747
Received Received - Intake
MongoDB Server Crash via Aggregation Parameter Misconfiguration

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: MongoDB, Inc.

Description
Adding fromRouter:true and runtimeConstants.userRoles could cause aggregations to crash mongodb server.
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Meta Information
Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-10
AI Q&A
2026-06-10
EPSS Evaluated
N/A
NVD
CVE-2026-9747
EUVD
EUVD-2026-35863
Affected Vendors & Products
Currently, no data is known.
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-617 The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
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Executive Summary

This vulnerability occurs when adding the parameters fromRouter:true and runtimeConstants.userRoles causes aggregation operations to crash the MongoDB server.

Impact Analysis

The vulnerability can cause the MongoDB server to crash during aggregation operations, potentially leading to denial of service and disruption of database availability.

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