CVE-2026-4358

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.

CVSS v3 6.4 MEDIUM

6.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://jira.mongodb.org/browse/SERVER-118849

Configurations

No configuration.

History

18 Mar 2026, 14:52

Type	Values Removed	Values Added
Summary		(es) Una consulta de agregación especialmente diseñada con $lookup por un usuario autenticado con privilegios de escritura puede causar un problema de memoria de doble liberación o uso después de liberación en el motor de ejecución basado en ranuras (SBE) cuando una tabla hash en memoria se vuelca a disco.

17 Mar 2026, 20:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-17 20:16

Updated : 2026-03-18 14:52

NVD link : CVE-2026-4358

Mitre link : CVE-2026-4358

CVE.ORG link : CVE-2026-4358

JSON object : View

Products Affected

No product.

CWE

CWE-415

Double Free

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