CVE-2025-6714: MongoDB

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

MongoDB Server's mongos component can become unresponsive to new connections due to incorrect handling of incomplete data. This affects MongoDB when configured with load balancer support. This issue affects MongoDB Server v6.0 prior to 6.0.23, MongoDB Server v7.0 prior to 7.0.20 and MongoDB Server v8.0 prior to 8.0.9 Required Configuration: This affects MongoDB sharded clusters when configured with load balancer support for mongos using HAProxy on specified ports.

Affected products

• MongoDB MongoDB: from 6.0.0, before 6.0.23 (fixed in 6.0.23); from 7.0.0, before 7.0.20 (fixed in 7.0.20); from 8.0.0, before 8.0.9 (fixed in 8.0.9)

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