CVEvulnerability
CVE-2026-21712
6.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-03-30
- Last modified
- 2026-08-19
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 3.0 ([email protected])
- 5.7 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-20
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 configurations
• nodejs node.js (>= 24.0.0 <= 24.14.0)
• nodejs node.js (>= 25.0.0 <= 25.8.1)
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://hackerone.com/reports/3546390 Issue Tracking, Third Party Advisory
- https://nodejs.org/en/blog/vulnerability/march-2026-security-releases Vendor Advisory