CVE-2026-18706
MEDIUM
NVD
CVSS Score
6.6
Severity
MEDIUM
Published
Aug 11, 2026
Vendor
unknown
Description
An issue in MongoDB Server's $graphLookup aggregation stage could allow an authenticated user able to issue aggregation and memory-management commands to cause an internal reference to be used after the underlying memory has been freed. This could result in a server crash or, potentially, execution of unintended code.