CVE-2026-18698

An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that should require more specific privileges. This could result in exposure of collection metadata and, on certain deployment configurations, unauthorized modification of system collection data.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://jira.mongodb.org/browse/SERVER-130481	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::::::::
	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

16 Sep 2026, 15:17

Type	Values Removed	Values Added
First Time		Mongodb Mongodb mongodb
References	~~() https://jira.mongodb.org/browse/SERVER-130481 -~~	() https://jira.mongodb.org/browse/SERVER-130481 - Vendor Advisory, Issue Tracking
CPE		cpe:2.3:a:mongodb:mongodb:9.0.0:alpha1:::-:-:: 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::::::::

Information

Published : 2026-08-11 19:17

Updated : 2026-09-16 15:17

NVD link : CVE-2026-18698

Mitre link : CVE-2026-18698

CVE.ORG link : CVE-2026-18698

JSON object : View

Products Affected

mongodb

mongodb

CWE

CWE-863

Incorrect Authorization

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