# CVE-2016-2086: Node.js 4: Node.js 0.10.x before 0.10.42, 0.12.x before 0.12.10, 4.x before 4.3.0, and 5.x before 5.6.0 allow remote…

CVE-2016-2086 is fixed in Node.js 4 on 1 platform by Node.js 4 4.3.0 (version 4.3.0), released February 9, 2016. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2016-2086
- Priority: High
- CVSS: 7.5
- EPSS: 0.0626
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 7, 2016
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2016-2086

## Description

Node.js 0.10.x before 0.10.42, 0.12.x before 0.12.10, 4.x before 4.3.0, and 5.x before 5.6.0 allow remote attackers to conduct HTTP request smuggling attacks via a crafted Content-Length HTTP header.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Node.js 4 | 4.3.0 | [Node.js 4 4.3.0](https://patchblox.com/security/data/fix/windows-app/openjs.nodejs.4-4.3.0.md) | Feb 9, 2016 |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo