CVE-2017-16018: Restify is a framework for building REST APIs

Q: How do I fix CVE-2017-16018?

restify: upgrade to newer than 4.0.4. Exact commands for each OS are on this page.

Q: Is CVE-2017-16018 being exploited?

CVE-2017-16018 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2017-16018 affect?

CVE-2017-16018 affects restify. Severity is medium (CVSS 6.1). Restify is a framework for building REST APIs. Restify >=2.0.0 <=4.0.4 using URL encoded script tags in a non-existent URL, an attacker can get script to run in some browsers.

Q: How urgent is CVE-2017-16018?

Priority 42/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2017-16018 is a medium-severity flaw (CVSS 6.1) affecting restify. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Restify is a framework for building REST APIs. Restify >=2.0.0 <=4.0.4 using URL encoded script tags in a non-existent URL, an attacker can get script to run in some browsers.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.0% (top 39%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-06-04
Last modified	2026-06-17

Publisher (CNA): HackerOne · Vendor: restify

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

Am I affected?

Timeline

2018-06-04 19:29 UTCPublished CVE record published
2026-06-17 01:08 UTCUpdated Record last modified

restify restify UPGRADE

Affected: >= 2.0.0 and <= 4.0.4

Fixed in: newer than 4.0.4

Safe to downgrade to: a release before 2.0.0

1. Check installed version

npm ls restify

2. UPGRADE to newer than 4.0.4

npm install restify@">4.0.4"

3. If no update is available yet, DOWNGRADE to a release before 2.0.0

npm view restify versions npm install restify@"<2.0.0"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2017-16018?

restify: upgrade to newer than 4.0.4. Exact commands for each OS are on this page.

Is CVE-2017-16018 being exploited?

CVE-2017-16018 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-2017-16018 affect?

CVE-2017-16018 affects restify. Severity is medium (CVSS 6.1). Restify is a framework for building REST APIs. Restify >=2.0.0 <=4.0.4 using URL encoded script tags in a non-existent URL, an attacker can get script to run in some browsers.

How urgent is CVE-2017-16018?

Priority 42/100. Public exploit reference

References

← Back to latest CVEs