High
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-2086
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:29 UTC · Revision 1
Source evidence
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.
osv:CVE-2016-2086
Complete source record
{
"id": "c03fb1c58078bbc249007750d3f124ca73c9f02e22618397fc7d49681f9fe16a",
"url": "https://osv.dev/vulnerability/CVE-2016-2086",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-2086",
"summary": "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.",
"evidence": "osv:CVE-2016-2086",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2016-2086",
"aliases": [
"CVE-2016-2086"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/nodejs/node",
"type": "GIT",
"events": [
{
"introduced": "163ca274230fce536afe76c64676c332693ad7c1"
},
{
"last_affected": "dd882563e56652f76e25994d046ab49b1bc5f836"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.0"
},
{
"last_affected": "0.10.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.1"
},
{
"last_affected": "0.10.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.2"
},
{
"last_affected": "0.10.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.3"
},
{
"last_affected": "0.10.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.4"
},
{
"last_affected": "0.10.4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.5:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.5"
},
{
"last_affected": "0.10.5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.6:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.6"
},
{
"last_affected": "0.10.6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.7:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.7"
},
{
"last_affected": "0.10.7"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.8:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.8"
},
{
"last_affected": "0.10.8"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.9:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.9"
},
{
"last_affected": "0.10.9"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.10:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.10"
},
{
"last_affected": "0.10.10"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.11:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.11"
},
{
"last_affected": "0.10.11"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.12:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.12"
},
{
"last_affected": "0.10.12"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.13:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.13"
},
{
"last_affected": "0.10.13"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.14:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.14"
},
{
"last_affected": "0.10.14"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.15:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.15"
},
{
"last_affected": "0.10.15"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.16:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.16"
},
{
"last_affected": "0.10.16"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.16-isaacs-manual:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.16-isaacs-manual"
},
{
"last_affected": "0.10.16-isaacs-manual"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.17:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.17"
},
{
"last_affected": "0.10.17"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.18:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.18"
},
{
"last_affected": "0.10.18"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.19:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.19"
},
{
"last_affected": "0.10.19"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.20:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.20"
},
{
"last_affected": "0.10.20"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.21:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.21"
},
{
"last_affected": "0.10.21"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.22:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.22"
},
{
"last_affected": "0.10.22"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.23:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.23"
},
{
"last_affected": "0.10.23"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.24:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.24"
},
{
"last_affected": "0.10.24"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.25:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.25"
},
{
"last_affected": "0.10.25"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.26:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.26"
},
{
"last_affected": "0.10.26"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.27:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.27"
},
{
"last_affected": "0.10.27"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.28:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.28"
},
{
"last_affected": "0.10.28"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.29:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.29"
},
{
"last_affected": "0.10.29"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.30:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.30"
},
{
"last_affected": "0.10.30"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.31:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.31"
},
{
"last_affected": "0.10.31"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.32:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.32"
},
{
"last_affected": "0.10.32"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.33:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.33"
},
{
"last_affected": "0.10.33"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.34:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.34"
},
{
"last_affected": "0.10.34"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.35:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.35"
},
{
"last_affected": "0.10.35"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.36:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.36"
},
{
"last_affected": "0.10.36"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.37:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.37"
},
{
"last_affected": "0.10.37"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.38:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.38"
},
{
"last_affected": "0.10.38"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.39:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.39"
},
{
"last_affected": "0.10.39"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.40:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.40"
},
{
"last_affected": "0.10.40"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.10.41:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.41"
},
{
"last_affected": "0.10.41"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.12.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.12.0"
},
{
"last_affected": "0.12.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.12.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.12.1"
},
{
"last_affected": "0.12.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.12.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.12.2"
},
{
"last_affected": "0.12.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.12.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.12.3"
},
{
"last_affected": "0.12.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.12.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.12.4"
},
{
"last_affected": "0.12.4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.12.5:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.12.5"
},
{
"last_affected": "0.12.5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.12.6:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.12.6"
},
{
"last_affected": "0.12.6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.12.7:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.12.7"
},
{
"last_affected": "0.12.7"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.12.8:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.12.8"
},
{
"last_affected": "0.12.8"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:0.12.9:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.12.9"
},
{
"last_affected": "0.12.9"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:4.0.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.0"
},
{
"last_affected": "4.0.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:4.1.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.1.0"
},
{
"last_affected": "4.1.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:4.1.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.1.1"
},
{
"last_affected": "4.1.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:4.1.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.1.2"
},
{
"last_affected": "4.1.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:4.2.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.2.0"
},
{
"last_affected": "4.2.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:4.2.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.2.1"
},
{
"last_affected": "4.2.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:4.2.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.2.2"
},
{
"last_affected": "4.2.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:4.2.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.2.3"
},
{
"last_affected": "4.2.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:4.2.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.2.4"
},
{
"last_affected": "4.2.4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:4.2.5:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.2.5"
},
{
"last_affected": "4.2.5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:4.2.6:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.2.6"
},
{
"last_affected": "4.2.6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:5.0.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.0.0"
},
{
"last_affected": "5.0.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:5.1.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.1.0"
},
{
"last_affected": "5.1.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:5.1.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.1.1"
},
{
"last_affected": "5.1.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:5.2.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.2.0"
},
{
"last_affected": "5.2.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:5.3.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.3.0"
},
{
"last_affected": "5.3.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:5.4.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.4.0"
},
{
"last_affected": "5.4.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:5.4.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.4.1"
},
{
"last_affected": "5.4.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:5.5.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.5.0"
},
{
"last_affected": "5.5.0"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"0.10.0",
"0.10.1",
"0.10.10",
"0.10.11",
"0.10.12",
"0.10.13",
"0.10.14",
"0.10.15",
"0.10.16",
"0.10.17",
"0.10.18",
"0.10.19",
"0.10.2",
"0.10.20",
"0.10.21",
"0.10.22",
"0.10.23",
"0.10.24",
"0.10.25",
"0.10.26",
"0.10.27",
"0.10.28",
"0.10.29",
"0.10.3",
"0.10.30",
"0.10.31",
"0.10.32",
"0.10.33",
"0.10.34",
"0.10.35",
"0.10.36",
"0.10.37",
"0.10.38",
"0.10.39",
"0.10.4",
"0.10.40",
"0.10.41",
"0.10.5",
"0.10.6",
"0.10.7",
"0.10.8",
"0.10.9",
"0.12.0",
"0.12.1",
"0.12.2",
"0.12.3",
"0.12.4",
"0.12.5",
"0.12.6",
"0.12.7",
"0.12.8",
"0.12.9",
"4.0.0",
"4.1.0",
"4.1.1",
"4.1.2",
"4.2.0",
"4.2.1",
"4.2.2",
"4.2.3",
"4.2.4",
"4.2.5",
"4.2.6",
"5.0.0",
"5.1.0",
"5.1.1",
"5.2.0",
"5.3.0",
"5.4.0",
"5.4.1",
"5.5.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-2086.json"
}
}
],
"modified": "2026-10-24T10:30:29.395183164Z",
"provider": "osv",
"references": [
"https://security.gentoo.org/glsa/201612-43",
"https://nodejs.org/en/blog/vulnerability/february-2016-security-releases/"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "22"
},
{
"last_affected": "22"
},
{
"introduced": "23"
},
{
"last_affected": "23"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2016-2086",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 432317,
"published_at": "2016-04-07T21:59:01.9+00:00"
}