CVE-2026-4358

MEDIUM

6.4

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.

CVE Details

CVSS v3.1 Score6.4

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredLOW

User InteractionNONE

Published3/17/2026

Last Modified4/2/2026

Sourcenvd

Honeypot Sightings0

Affected Products

mongodb:mongodb

Weaknesses (CWE)

CWE-415

References

https://jira.mongodb.org/browse/SERVER-118849(cna@mongodb.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.