# CVE-2026-1848: Connections received from the proxy port may not count towards total accepted connections

CVE-2026-1848 is fixed in MongoDB on 1 platform by MongoDB 8.2.4 (version 8.2.4), released January 15, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-1848
- Priority: High
- CVSS: 8.2
- EPSS: 0.0031
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 10, 2026
- Weakness: CWE-770: Allocation of Resources Without Limits or Throttling
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-1848

## Description

Connections received from the proxy port may not count towards total accepted connections, resulting in server crashes if the total number of connections exceeds available resources. This only applies to connections accepted from the proxy port, pending the proxy protocol header.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | MongoDB | 8.2.4 | [MongoDB 8.2.4](https://patchblox.com/security/data/fix/windows-app/mongodb.server-8.2.4.md) | Jan 15, 2026 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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