{"api_version":"1","generated_at":"2026-10-21T21:21:16+00:00","cve":"CVE-2026-19954","urls":{"html":"https://cve.report/CVE-2026-19954","api":"https://cve.report/api/cve/CVE-2026-19954.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-19954","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-19954"},"summary":{"title":"Net::Whois::Raw versions before 2.99044 for Perl ship a pwhois command-line tool that queries WHOIS for the wrong domain for unicode domain names","description":"Net::Whois::Raw versions before 2.99044 for Perl ship a pwhois command-line tool that queries WHOIS for the wrong domain for unicode domain names.\n\npwhois encodes each non-ASCII label directly using Net::IDN::Punycode and prepends xn--. Apart from lowercasing ASCII and Cyrillic letters, it skips the IDNA mapping and normalization steps, so a label with other uppercase letters, or not in NFC, encodes to a different A-label than its IDNA form. 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