PT-2026-25907 · Mongodb · Mongodb Server

Published 2026-03-17 · Updated 2026-03-17 · CVE-2026-4148

NVD

CVSS v3.1

8.8

8.8

High

Base vector

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

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.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2026-4148

Affected Products

Mongodb Server

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-4148 · Security Note
• https://jira.mongodb.org/browse/SERVER-119319 · Note