Description

A flaw in Node.js URL processing causes an assertion failure in native code when `url.format()` is called with a malformed internationalized domain name (IDN) containing invalid characters, crashing the Node.js process.

INFO

Published Date :

2026-03-30T15:13:59.172Z

Last Modified :

2026-03-30T15:52:42.507Z

Source :

hackerone
AFFECTED PRODUCTS

The following products are affected by CVE-2026-21712 vulnerability.

Vendors Products
Nodejs
  • Nodejs
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-21712.

URL Resource
https://hackerone.com/reports/3546390 cve-icon cve-icon cve-icon
https://nodejs.org/en/blog/vulnerability/march-2026-security-releases cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-21712 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-21712 cve-icon
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CVSS Vulnerability Scoring System

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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact