CVE-2016-2216 [High] | Input Validation Bypass in Node.js

CVE-2016-2216 is rated High Risk (67.7/100): CVSS High severity, with high exploitation likelihood (EPSS 7.01%, 93th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +5.18% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	1.84%	7.01%	+5.18%
2	2026-03-08	1.42%	1.84%	+0.41%
3	2026-03-04	—	1.42%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

1.84%

7.01%

+5.18%

2026-03-08

1.42%

1.84%

+0.41%

2026-03-04

—

1.42%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.5	3.0	HIGH	`CVSS:3.0/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]
4.3	2.0	MEDIUM	`AV:N/AC:M/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:M) Exploitation needs some favorable conditions, but not exceptional ones. 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.	8.6	2.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.5

3.0

HIGH

CVSS:3.0/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]

4.3

2.0

MEDIUM

AV:N/AC:M/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:M): Exploitation needs some favorable conditions, but not exceptional ones.
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.

8.6

2.9

[email protected]

OS Trackers for CVE-2016-2216

vendor	priority	summary	link
`debian`	unimportant	CVE-2016-2216 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-2016-2216
`gentoo`	normal	CVE-2016-2216: 1 GLSA(s) (201612-43), 1 atom(s) (net-libs/nodejs); latest impact normal.	https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-2216
`redhat`	medium	—	https://access.redhat.com/security/cve/CVE-2016-2216
`ubuntu`	low	CVE-2016-2216 low priority: Ubuntu including 1 source packages (nodejs), 24 status rows across 24 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, wily, xenial, yakkety, zesty): not-affected 16, ignored 5, needed 2, released 1.	https://ubuntu.com/security/CVE-2016-2216

Affected software / configurations for CVE-2016-2216

Vendor	Product	Version	Raw CPE
nodejs	node.js	0.10.0	cpe:2.3:a:nodejs:node.js:0.10.0:::::::*
nodejs	node.js	0.10.1	cpe:2.3:a:nodejs:node.js:0.10.1:::::::*
nodejs	node.js	0.10.2	cpe:2.3:a:nodejs:node.js:0.10.2:::::::*
nodejs	node.js	0.10.3	cpe:2.3:a:nodejs:node.js:0.10.3:::::::*
nodejs	node.js	0.10.4	cpe:2.3:a:nodejs:node.js:0.10.4:::::::*
nodejs	node.js	0.10.5	cpe:2.3:a:nodejs:node.js:0.10.5:::::::*
nodejs	node.js	0.10.6	cpe:2.3:a:nodejs:node.js:0.10.6:::::::*
nodejs	node.js	0.10.7	cpe:2.3:a:nodejs:node.js:0.10.7:::::::*
nodejs	node.js	0.10.8	cpe:2.3:a:nodejs:node.js:0.10.8:::::::*
nodejs	node.js	0.10.9	cpe:2.3:a:nodejs:node.js:0.10.9:::::::*
nodejs	node.js	0.10.10	cpe:2.3:a:nodejs:node.js:0.10.10:::::::*
nodejs	node.js	0.10.11	cpe:2.3:a:nodejs:node.js:0.10.11:::::::*
nodejs	node.js	0.10.12	cpe:2.3:a:nodejs:node.js:0.10.12:::::::*
nodejs	node.js	0.10.13	cpe:2.3:a:nodejs:node.js:0.10.13:::::::*
nodejs	node.js	0.10.14	cpe:2.3:a:nodejs:node.js:0.10.14:::::::*
nodejs	node.js	0.10.15	cpe:2.3:a:nodejs:node.js:0.10.15:::::::*
nodejs	node.js	0.10.16	cpe:2.3:a:nodejs:node.js:0.10.16:::::::*
nodejs	node.js	0.10.16-isaacs-manual	cpe:2.3:a:nodejs:node.js:0.10.16-isaacs-manual:::::::*
nodejs	node.js	0.10.17	cpe:2.3:a:nodejs:node.js:0.10.17:::::::*
nodejs	node.js	0.10.18	cpe:2.3:a:nodejs:node.js:0.10.18:::::::*
nodejs	node.js	0.10.19	cpe:2.3:a:nodejs:node.js:0.10.19:::::::*
nodejs	node.js	0.10.20	cpe:2.3:a:nodejs:node.js:0.10.20:::::::*
nodejs	node.js	0.10.21	cpe:2.3:a:nodejs:node.js:0.10.21:::::::*
nodejs	node.js	0.10.22	cpe:2.3:a:nodejs:node.js:0.10.22:::::::*
nodejs	node.js	0.10.23	cpe:2.3:a:nodejs:node.js:0.10.23:::::::*
nodejs	node.js	0.10.24	cpe:2.3:a:nodejs:node.js:0.10.24:::::::*
nodejs	node.js	0.10.25	cpe:2.3:a:nodejs:node.js:0.10.25:::::::*
nodejs	node.js	0.10.26	cpe:2.3:a:nodejs:node.js:0.10.26:::::::*
nodejs	node.js	0.10.27	cpe:2.3:a:nodejs:node.js:0.10.27:::::::*
nodejs	node.js	0.10.28	cpe:2.3:a:nodejs:node.js:0.10.28:::::::*
nodejs	node.js	0.10.29	cpe:2.3:a:nodejs:node.js:0.10.29:::::::*
nodejs	node.js	0.10.30	cpe:2.3:a:nodejs:node.js:0.10.30:::::::*
nodejs	node.js	0.10.31	cpe:2.3:a:nodejs:node.js:0.10.31:::::::*
nodejs	node.js	0.10.32	cpe:2.3:a:nodejs:node.js:0.10.32:::::::*
nodejs	node.js	0.10.33	cpe:2.3:a:nodejs:node.js:0.10.33:::::::*
nodejs	node.js	0.10.34	cpe:2.3:a:nodejs:node.js:0.10.34:::::::*
nodejs	node.js	0.10.35	cpe:2.3:a:nodejs:node.js:0.10.35:::::::*
nodejs	node.js	0.10.36	cpe:2.3:a:nodejs:node.js:0.10.36:::::::*
nodejs	node.js	0.10.37	cpe:2.3:a:nodejs:node.js:0.10.37:::::::*
nodejs	node.js	0.10.38	cpe:2.3:a:nodejs:node.js:0.10.38:::::::*
nodejs	node.js	0.10.39	cpe:2.3:a:nodejs:node.js:0.10.39:::::::*
nodejs	node.js	0.10.40	cpe:2.3:a:nodejs:node.js:0.10.40:::::::*
nodejs	node.js	0.10.41	cpe:2.3:a:nodejs:node.js:0.10.41:::::::*
nodejs	node.js	0.11.6	cpe:2.3:a:nodejs:node.js:0.11.6:::::::*
nodejs	node.js	0.11.7	cpe:2.3:a:nodejs:node.js:0.11.7:::::::*
nodejs	node.js	0.11.8	cpe:2.3:a:nodejs:node.js:0.11.8:::::::*
nodejs	node.js	0.11.9	cpe:2.3:a:nodejs:node.js:0.11.9:::::::*
nodejs	node.js	0.11.10	cpe:2.3:a:nodejs:node.js:0.11.10:::::::*
nodejs	node.js	0.11.11	cpe:2.3:a:nodejs:node.js:0.11.11:::::::*
nodejs	node.js	0.11.12	cpe:2.3:a:nodejs:node.js:0.11.12:::::::*
nodejs	node.js	0.11.13	cpe:2.3:a:nodejs:node.js:0.11.13:::::::*
nodejs	node.js	0.11.14	cpe:2.3:a:nodejs:node.js:0.11.14:::::::*
nodejs	node.js	0.11.15	cpe:2.3:a:nodejs:node.js:0.11.15:::::::*
nodejs	node.js	0.11.16	cpe:2.3:a:nodejs:node.js:0.11.16:::::::*
nodejs	node.js	0.12.0	cpe:2.3:a:nodejs:node.js:0.12.0:::::::*
nodejs	node.js	0.12.1	cpe:2.3:a:nodejs:node.js:0.12.1:::::::*
nodejs	node.js	0.12.2	cpe:2.3:a:nodejs:node.js:0.12.2:::::::*
nodejs	node.js	0.12.3	cpe:2.3:a:nodejs:node.js:0.12.3:::::::*
nodejs	node.js	0.12.4	cpe:2.3:a:nodejs:node.js:0.12.4:::::::*
nodejs	node.js	0.12.5	cpe:2.3:a:nodejs:node.js:0.12.5:::::::*
nodejs	node.js	0.12.6	cpe:2.3:a:nodejs:node.js:0.12.6:::::::*
nodejs	node.js	0.12.7	cpe:2.3:a:nodejs:node.js:0.12.7:::::::*
nodejs	node.js	0.12.8	cpe:2.3:a:nodejs:node.js:0.12.8:::::::*
nodejs	node.js	0.12.9	cpe:2.3:a:nodejs:node.js:0.12.9:::::::*
nodejs	node.js	4.0.0	cpe:2.3:a:nodejs:node.js:4.0.0:::::::*
nodejs	node.js	4.1.0	cpe:2.3:a:nodejs:node.js:4.1.0:::::::*
nodejs	node.js	4.1.1	cpe:2.3:a:nodejs:node.js:4.1.1:::::::*
nodejs	node.js	4.1.2	cpe:2.3:a:nodejs:node.js:4.1.2:::::::*
nodejs	node.js	4.2.0	cpe:2.3:a:nodejs:node.js:4.2.0:::::::*
nodejs	node.js	4.2.1	cpe:2.3:a:nodejs:node.js:4.2.1:::::::*
nodejs	node.js	4.2.2	cpe:2.3:a:nodejs:node.js:4.2.2:::::::*
nodejs	node.js	4.2.3	cpe:2.3:a:nodejs:node.js:4.2.3:::::::*
nodejs	node.js	4.2.4	cpe:2.3:a:nodejs:node.js:4.2.4:::::::*
nodejs	node.js	4.2.5	cpe:2.3:a:nodejs:node.js:4.2.5:::::::*
nodejs	node.js	4.2.6	cpe:2.3:a:nodejs:node.js:4.2.6:::::::*
nodejs	node.js	5.0.0	cpe:2.3:a:nodejs:node.js:5.0.0:::::::*
nodejs	node.js	5.1.0	cpe:2.3:a:nodejs:node.js:5.1.0:::::::*
nodejs	node.js	5.1.1	cpe:2.3:a:nodejs:node.js:5.1.1:::::::*
nodejs	node.js	5.2.0	cpe:2.3:a:nodejs:node.js:5.2.0:::::::*
nodejs	node.js	5.3.0	cpe:2.3:a:nodejs:node.js:5.3.0:::::::*

References for CVE-2016-2216

URL	Tags
http://blog.safebreach.com/2016/02/09/http-response-splitting-in-node-js-root-cause-analysis/
http://info.safebreach.com/hubfs/Node-js-Response-Splitting.pdf
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177184.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177673.html
http://packetstormsecurity.com/files/135711/Node.js-HTTP-Response-Splitting.html
http://www.securityfocus.com/bid/83141
https://nodejs.org/en/blog/vulnerability/february-2016-security-releases/	Patch Vendor Advisory
https://security.gentoo.org/glsa/201612-43

URL

CVE-2016-2216

Exploit prediction scoring system (EPSS) score for CVE-2016-2216

Common vulnerability scoring system (CVSS) metrics for CVE-2016-2216

Weakness enumeration for CVE-2016-2216

OS Trackers for CVE-2016-2216

Affected software / configurations for CVE-2016-2216

References for CVE-2016-2216