CVE-2021-20326: MongoDB

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

A user authorized to performing a specific type of find query may trigger a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.4.

Affected products

• MongoDB MongoDB: from 4.4.0, before 4.4.4 (fixed in 4.4.4)

Published 2021-04-30. Last modified 2026-06-17.