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CVE-2026-1849

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CVE-2026-1849

Published: Feb 10, 2026

Modified: Feb 10, 2026

PUBLISHED

CVSS v3.1

6.5

MEDIUM

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.

VendorProductVersions

MongoDB Inc

MongoDB Server

affected
8.0 - < 8.0.18
affected
7.0 - < 7.0.29
affected
8.2 - < 8.2.2

Weaknesses (CWE)

CWE-674

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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