CVE-2026-1849 - Vulnerability Details - OpenCVE

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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

No data.

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References

Link	Providers
https://jira.mongodb.org/browse/SERVER-102364

History

Tue, 10 Feb 2026 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 10 Feb 2026 19:15:00 +0000

Type	Values Removed	Values Added
Description		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.
Title		Mongod can run out of stack memory when expressions create deeply nested documents
Weaknesses		CWE-674
References		https://jira.mongodb.org/browse/SERVER-102364
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}` cvssV4_0 `{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: mongodb

Published: 2026-02-10T18:52:52.737Z

Updated: 2026-02-10T19:17:02.296Z

Reserved: 2026-02-03T18:21:52.859Z

Link: CVE-2026-1849

Vulnrichment

Updated: 2026-02-10T19:16:31.309Z

NVD

Status : Awaiting Analysis

Published: 2026-02-10T19:15:51.477

Modified: 2026-02-10T21:51:48.077

Link: CVE-2026-1849

Redhat

No data.

OpenCVE Enrichment

No data.

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