Security Advisory

CVE-2026-11933

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-12 01:57:32

Last updated 2026-06-13 03:55:46

Assigner mongodb

CVSS score 8.8

State PUBLISHED

Description

A use-after-free vulnerability exists in MongoDB Server's server-side JavaScript engine when converting BSON documents to JavaScript arrays. An authenticated user with read privileges who is able to run server-side JavaScript (for example, via $where or $function) can cause the server to access memory that has already been freed. This may result in disclosure of information from the mongod process memory or a denial of service through a server crash.

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