CVE-2026-9741

A bug in query analysis processing of the $vectorSearch aggregation stage for Queryable Encryption (QE) or Client-Side Field Level Encryption (CSFLE) results in literal values for encrypted fields within the $vectorSearch stage filter expressions to be sent to the server as plaintext instead of ciphertext.

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 HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://jira.mongodb.org/browse/SERVER-123507	Patch 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

23 Jul 2026, 09:10

Type	Values Removed	Values Added
Summary		(es) Un error en el procesamiento del análisis de consultas de la etapa de agregación $vectorSearch para Cifrado Consultable (QE) o Cifrado a Nivel de Campo del Lado del Cliente (CSFLE) resulta en que los valores literales para campos cifrados dentro de las expresiones de filtro de la etapa $vectorSearch sean enviados al servidor como texto plano en lugar de texto cifrado.

18 Jun 2026, 14:32

Type	Values Removed	Values Added
References	~~() https://jira.mongodb.org/browse/SERVER-123507 -~~	() https://jira.mongodb.org/browse/SERVER-123507 - Patch, Vendor Advisory, Issue Tracking
CPE		cpe:2.3:a:mongodb:mongodb::::::::
First Time		Mongodb mongodb Mongodb

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-2026-9741

Mitre link : CVE-2026-9741

CVE.ORG link : CVE-2026-9741

JSON object : View

Products Affected

mongodb

mongodb

CWE

CWE-319

Cleartext Transmission of Sensitive Information

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