CVE-2026-9746

When using $changestreams and $_requestReshardingResumeToken with the exchange option the server hits an invariant which causes the server to crash. There are no special privileges needed. The user must be logged in to issue the statement.

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-124190	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) Al usar $changestreams y $_requestReshardingResumeToken con la opción de intercambio, el servidor viola una invariante, lo que provoca que el servidor se caiga. No se necesitan privilegios especiales. El usuario debe estar conectado para emitir la declaración.

18 Jun 2026, 14:39

Type	Values Removed	Values Added
References	~~() https://jira.mongodb.org/browse/SERVER-124190 -~~	() https://jira.mongodb.org/browse/SERVER-124190 - Patch, Vendor Advisory
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-2026-9746

Mitre link : CVE-2026-9746

CVE.ORG link : CVE-2026-9746

JSON object : View

Products Affected

mongodb

mongodb

CWE

CWE-617

Reachable Assertion

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