CVE-2025-7259: MongoDB

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

An authorized user can issue queries with duplicate _id fields, that leads to unexpected behavior in MongoDB Server, which may result to crash. This issue can only be triggered by authorized users and cause Denial of Service. This issue affects MongoDB Server v8.1 version 8.1.0.

Affected products

• MongoDB MongoDB: version 8.1.0 only

Published 2025-07-07. Last modified 2026-06-17.