CVE-2017-16075: http-proxy.js was a malicious module published with the intent to hijack environment variables

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HIGH 7.5REMOTEMITIGATE

CVE-2017-16075 is a high-severity flaw (CVSS 7.5) affecting http-proxy.js. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

http-proxy.js was a malicious module published with the intent to hijack environment variables. It has been unpublished by npm.

Why this priority

High severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-506, CWE-200
Published	2018-06-07
Last modified	2026-06-17

Publisher (CNA): HackerOne · Vendor: http-proxy.js project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-06-07 02:29 UTCPublished CVE record published
2026-06-17 01:08 UTCUpdated Record last modified

http-proxy.js project http-proxy.js MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls http-proxy.js

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-16075?

http-proxy.js: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-16075 being exploited?

CVE-2017-16075 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-16075 affect?

CVE-2017-16075 affects http-proxy.js. Severity is high (CVSS 7.5). http-proxy.js was a malicious module published with the intent to hijack environment variables. It has been unpublished by npm.

How urgent is CVE-2017-16075?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

References

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