CVE-2026-13065

A user with read-only privileges is able to craft an aggregation pipeline using the $linearFill window function operator with a specific sortBy expression type to cause the mongod process to terminate abnormally, resulting in denial of service. The issue stems from insufficient validation of sort specifications during execution.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://jira.mongodb.org/browse/SERVER-127280	Vendor Advisory Issue Tracking

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

24 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) Un usuario con privilegios de solo lectura es capaz de elaborar una pipeline de agregación utilizando el operador de función de ventana $linearFill con un tipo de expresión sortBy específico para causar que el proceso mongod termine de forma anómala, resultando en denegación de servicio. El problema se deriva de una validación insuficiente de las especificaciones de ordenación durante la ejecución.

Information

Published : 2026-07-22 20:16

Updated : 2026-10-24 13:10

NVD link : CVE-2026-13065

Mitre link : CVE-2026-13065

CVE.ORG link : CVE-2026-13065

JSON object : View

Products Affected

mongodb

mongodb

CWE

CWE-476

NULL Pointer Dereference

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