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CVE-2026-4358

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CVE-2026-4358

Published: Mar 17, 2026

Modified: Mar 17, 2026

PUBLISHED

CVSS v3.1

6.4

MEDIUM

Description

A specially crafted aggregation query with $lookup by an authenticated user with write privileges can cause a double-free or use-after-free memory issue in the slot-based execution (SBE) engine when an in-memory hash table is spilled to disk.

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)

CWE-415

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

References

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