CVE-2026-18711

An issue in MongoDB Server's query execution engine could allow an authenticated user with read and write privileges to cause an internal reference to be used after the underlying memory has been freed, when running certain queries against time-series collections. This could result in a server crash or disclosure of freed memory contents within query results.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://jira.mongodb.org/browse/SERVER-130247	Vendor Advisory Issue Tracking Patch

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::::::::
	cpe:2.3:a:mongodb:mongodb:9.0.0:alpha0:::-:-::
	cpe:2.3:a:mongodb:mongodb:9.0.0:alpha1:::-:-::
	cpe:2.3:a:mongodb:mongodb:9.1.0:alpha0:::-:-::

History

25 Sep 2026, 15:35

Type	Values Removed	Values Added
References	~~() https://jira.mongodb.org/browse/SERVER-130247 -~~	() https://jira.mongodb.org/browse/SERVER-130247 - Vendor Advisory, Issue Tracking, Patch
First Time		Mongodb Mongodb mongodb
CPE		cpe:2.3:a:mongodb:mongodb:9.1.0:alpha0:::-:-:: cpe:2.3:a:mongodb:mongodb:9.0.0:alpha0:::-:-:: cpe:2.3:a:mongodb:mongodb:::::::: cpe:2.3:a:mongodb:mongodb:9.0.0:alpha1:::-:-::

Information

Published : 2026-08-11 19:17

Updated : 2026-09-25 15:35

NVD link : CVE-2026-18711

Mitre link : CVE-2026-18711

CVE.ORG link : CVE-2026-18711

JSON object : View

Products Affected

mongodb

mongodb

CWE

CWE-416

Use After Free

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