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CVE-2026-4148

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CVE-2026-4148

Published: Mar 17, 2026

Modified: Mar 18, 2026

PUBLISHED

CVSS v3.1

8.8

HIGH

Description

A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who issues a specially crafted $lookup or $graphLookup aggregation pipeline.

VendorProductVersions

MongoDB Inc

MongoDB Server

affected
8.2 - < 8.2.6
affected
8.0 - < 8.0.20
affected
7.0 - < 7.0.31

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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