CVE-2016-2086

HIGHNVD 7.57.5—

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 65.5%
KEV: Not listed

Published

April 7, 2016

Last Modified

May 6, 2026

References (10)

cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177184.html
cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177673.html
cve@mitrehttp://www.securityfocus.com/bid/83282
cve@mitrehttps://nodejs.org/en/blog/vulnerability/february-2016-security-releases/
cve@mitrehttps://security.gentoo.org/glsa/201612-43
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177184.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177673.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/83282
af854a3a-2127-422b-91ae-364da2661108https://nodejs.org/en/blog/vulnerability/february-2016-security-releases/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201612-43

Data Freshness Timeline

(refreshed 10× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:14 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 21:59 UTCOSV refresh
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore

Frequently asked(5)

What is CVE-2016-2086?

CVE-2016-2086 is a high vulnerability published on April 7, 2016. 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.

When was CVE-2016-2086 disclosed?

CVE-2016-2086 was first published in the National Vulnerability Database on April 7, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-2086 actively exploited?

CVE-2016-2086 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-2086?

CVE-2016-2086 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2016-2086?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-2086, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2016-2086

📅 Published

🔄 Last Modified

🔗 References (10)