CVE-2026-9753

The $_internalApplyOplogUpdate aggregation pipeline stage can be used to execute a document diff containing a malformed binary diff to return memory out-of-bounds or crash the server. $_internalApplyOplogUpdate can be executed by any authenticated user with access to the aggregate command.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://jira.mongodb.org/browse/SERVER-124959	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mongodb:mongodb:::::-:::*
	cpe:2.3:a:mongodb:mongodb:::::-:::*
	cpe:2.3:a:mongodb:mongodb:::::-:::*
	cpe:2.3:a:mongodb:mongodb:::::-:::*

History

23 Jul 2026, 09:10

Type	Values Removed	Values Added
Summary		(es) La etapa de pipeline de agregación $_internalApplyOplogUpdate puede utilizarse para ejecutar una diferencia de documento que contiene una diferencia binaria malformada para devolver memoria fuera de límites o colapsar el servidor. $_internalApplyOplogUpdate puede ser ejecutado por cualquier usuario autenticado con acceso al comando aggregate.

18 Jun 2026, 14:40

Type	Values Removed	Values Added
References	~~() https://jira.mongodb.org/browse/SERVER-124959 -~~	() https://jira.mongodb.org/browse/SERVER-124959 - Patch, Vendor Advisory
CPE		cpe:2.3:a:mongodb:mongodb:::::-:::*
First Time		Mongodb mongodb Mongodb
CWE		CWE-787

09 Jun 2026, 23:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-09 23:17

Updated : 2026-07-23 09:10

NVD link : CVE-2026-9753

Mitre link : CVE-2026-9753

CVE.ORG link : CVE-2026-9753

JSON object : View

Products Affected

mongodb

mongodb

CWE

CWE-1287

Improper Validation of Specified Type of Input

CWE-787

Out-of-bounds Write

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