# CVE-2025-6714: Incorrect Handling of incomplete data may prevent mongoS from Accepting New Connections

> CVE-2025-6714: Incorrect Handling of incomplete data may prevent mongoS from Accepting New Connections. CVSS 7.5 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2025-6714
Last updated: 2026-06-17T10:02:26Z

- Published: 2025-07-07 14:48 UTC · Updated: 2026-06-17 10:02 UTC · Assigner: mongodb
- CVSS: 7.5 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS: 0.36%, 30th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-400, CWE-834

## 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 vendors and products

- MongoDB Inc: MongoDB Server

## Tracked companies

- [MongoDB Atlas](https://rewindex.com/company/mongodb-atlas.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-6714)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-6714)
- [https://jira.mongodb.org/browse/SERVER-106753](https://jira.mongodb.org/browse/SERVER-106753)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2025-6714 · Markdown: https://rewindex.com/cve/CVE-2025-6714.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-6714 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:14:32.567Z