CVE-2026-1849

MongoDB Server may experience an out-of-memory failure while evaluating expressions that produce deeply nested documents. The issue arises in recursive functions because the server does not periodically check the depth of the expression.

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-102364	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::::::::

History

25 Feb 2026, 17:17

Type	Values Removed	Values Added
First Time		Mongodb Mongodb mongodb
Summary		(es) Servidor MongoDB puede experimentar un fallo por falta de memoria mientras evalúa expresiones que producen documentos profundamente anidados. El problema surge en funciones recursivas porque el servidor no comprueba periódicamente la profundidad de la expresión.
CPE		cpe:2.3:a:mongodb:mongodb::::::::
References	~~() https://jira.mongodb.org/browse/SERVER-102364 -~~	() https://jira.mongodb.org/browse/SERVER-102364 - Vendor Advisory

10 Feb 2026, 19:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-10 19:15

Updated : 2026-02-25 17:17

NVD link : CVE-2026-1849

Mitre link : CVE-2026-1849

CVE.ORG link : CVE-2026-1849

JSON object : View

Products Affected

mongodb

mongodb

CWE

CWE-674

Uncontrolled Recursion

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