{"cve":"CVE-2016-2086","nvd":{"published":"2016-04-07T21:59:01.900","modified":"2026-06-17T00:43:24.713","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-20"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177184.html","http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177673.html","http://www.securityfocus.com/bid/83282","https://nodejs.org/en/blog/vulnerability/february-2016-security-releases/","https://security.gentoo.org/glsa/201612-43"],"products":["fedoraproject:fedora","nodejs:node.js"],"source":"nvd","synced_at":"2026-10-19T20:37:48.328043465+00:00"},"epss":{"cve":"CVE-2016-2086","score":0.06257,"percentile":0.93565,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}