CVE-2018-12116

Node.js: All versions prior to Node.js 6.15.0 and 8.14.0: HTTP request splitting: If Node.js can be convinced to use unsanitized user-provided Unicode data for the `path` option of an HTTP request, then data can be provided which will trigger a second, unexpected, and user-defined HTTP request to made to the same server.

Published: 2018-11-28 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-12116 is rated Moderate Risk (53.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.53%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-12116

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-18 0.62% 0.53% -0.09%
2 2026-03-24 0.67% 0.62% -0.06%
3 2026-03-21 — 0.67% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-12116

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2018-12116

OS Trackers for CVE-2018-12116

vendor priority summary link
alpine high CVE-2018-12116: 1 source package rows (nodejs); 35 state rows across 5 repos (3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 0, open 35. https://security.alpinelinux.org/vuln/CVE-2018-12116
debian unimportant CVE-2018-12116 unimportant priority: Debian including 1 source packages (nodejs), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2018-12116
gentoo normal CVE-2018-12116: 1 GLSA(s) (202003-48), 1 atom(s) (net-libs/nodejs); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2018-12116
redhat medium — https://access.redhat.com/security/cve/CVE-2018-12116
suse medium CVE-2018-12116 severity moderate: SUSE including 73 source package names (MozillaFirefox-68.2.0-78.51.4, MozillaFirefox-branding-SLED-68-21.9.8, …), 234 product×package rows across 30 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 4, … (30 product lines)): Fixed 167, Known Not Affected 67. https://www.suse.com/security/cve/CVE-2018-12116/
ubuntu medium CVE-2018-12116 medium priority: Ubuntu including 1 source packages (nodejs), 14 status rows across 14 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, trusty, upstream, xenial): not-affected 11, released 2, ignored 1. https://ubuntu.com/security/CVE-2018-12116

Affected software / configurations for CVE-2018-12116

Vendor Product Version Raw CPE
nodejs node.js >= 6.0.0, <= 6.8.1 cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
nodejs node.js >= 6.9.0, < 6.15.0 cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
nodejs node.js >= 8.0.0, <= 8.8.1 cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
nodejs node.js >= 8.9.0, < 8.14.0 cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
suse suse_enterprise_storage 4 cpe:2.3:a:suse:suse_enterprise_storage:4:*:*:*:*:*:*:*
suse suse_linux_enterprise_server 12 cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:*
suse suse_linux_enterprise_server 15 cpe:2.3:o:suse:suse_linux_enterprise_server:15:*:*:*:*:*:*:*
suse suse_openstack_cloud 7 cpe:2.3:o:suse:suse_openstack_cloud:7:*:*:*:*:*:*:*
suse suse_openstack_cloud 8 cpe:2.3:o:suse:suse_openstack_cloud:8:*:*:*:*:*:*:*

References for CVE-2018-12116

cvelogic Threat Intelligence