What’s Vulnerable › Vulnerabilities
CVE-2025-6714: Incorrect Handling of incomplete data may prevent mongoS from Accepting New Connections
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-07-07 · updated 2026-06-17
- Weakness: CWE-400
Description
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: from 6.0.0 before 6.0.23; from 7.0.0 before 7.0.20; from 8.0.0 before 8.0.9 — fixed in 6.0.23, 7.0.20, 8.0.9
How to fix
Upgrade to a fixed version: MongoDB 6.0.23, 7.0.20, 8.0.9. Check the vendor advisory for mitigations.
References
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