CVE-2026-73491: Ruby Html5 Uri Validation Missing Whitespace Entity Strip
URI normalization unescapes HTML entities during protocol validation without stripping HTML5 named whitespace character references (	 or 
). Browsers strip these references when parsing URIs, which allows obfuscated 'javascript:' URIs to bypass scheme validation.
Rubygreprules fetch cve-2026-73491-ruby-html5-uri-validation-missing-whitespace-entity-strip --engine opengrepDescription
URI normalization unescapes HTML entities during protocol validation without stripping HTML5 named whitespace character references (	 or 
). Browsers strip these references when parsing URIs, which allows obfuscated 'javascript:' URIs to bypass scheme validation.
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