CVE-2026-21712

{"id": "CVE-2026-21712", "cveTags": [], "metrics": {"cvssMetricV30": [{"type": "Secondary", "source": "support@hackerone.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.1}]}, "published": "2026-03-30T16:16:03.510", "references": [{"url": "https://hackerone.com/reports/3546390", "source": "support@hackerone.com"}, {"url": "https://nodejs.org/en/blog/vulnerability/march-2026-security-releases", "source": "support@hackerone.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Una falla en el procesamiento de URL de Node.js causa una falla de aserci\u00f3n en c\u00f3digo nativo cuando se llama a 'url.format()' con un nombre de dominio internacionalizado (IDN) malformado que contiene caracteres no v\u00e1lidos, colapsando el proceso de Node.js."}], "lastModified": "2026-05-10T14:16:47.377", "sourceIdentifier": "support@hackerone.com"}