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CVE-2026-8199

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CVE-2026-8199

Published: May 13, 2026

Modified: May 13, 2026

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

An authenticated user can cause excess memory usage via bitwise match expression AST processing of $bitsAllSet, $bitsAnySet, $bitsAllClear, and $bitsAnyClear. This contributes to memory pressure and may lead to availability loss by OOM. This issue impacts MongoDB Server v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.

VendorProductVersions

MongoDB, Inc.

MongoDB Server

affected
7.0 - < 7.0.34
affected
8.0 - < 8.0.23
affected
8.2 - < 8.2.9
affected
8.3 - < 8.3.2

Weaknesses (CWE)

CWE-1325

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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