Vulnerability 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.
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nodejs | Node.Js | >= 24.0.0, <= 24.14.0 |
Related Weaknesses (CWE)
References
- https://hackerone.com/reports/3546390Issue TrackingThird Party Advisory
- https://nodejs.org/en/blog/vulnerability/march-2026-security-releasesVendor Advisory
FAQ
What is CVE-2026-21712?
CVE-2026-21712 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 t...
How severe is CVE-2026-21712?
CVE-2026-21712 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-21712?
Check the references section above for vendor advisories and patch information. Affected products include: Nodejs Node.Js.