Skip to content
CVE PROGRAM SOURCE RECORD5.7 Medium

CVE-2026-21712

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 ch

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
hackerone

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

nodejs node

Default version status: unaffected

  • 24.14.0 to ≤ 24.14.0affected
  • 25.8.1 to ≤ 25.8.1affected

References