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Symfony has a UrlGenerator Route-Requirement Bypass via Unanchored Regex Alternation → Off-Site //host URL Injection

🗓️ 27 May 2026 16:55:16Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 6 Views

Symfony UrlGenerator fixes route requirement regex bypass to prevent off-site URL injection.

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symfonysymfonyRange8.0.08.0.12composer
OR
symfonysymfonyRange7.0.07.4.12composer
OR
symfonysymfonyRange6.0.06.4.40composer
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symfonysymfonyRange<5.4.52composer
OR
symfonyroutingRange8.0.08.0.12composer
OR
symfonyroutingRange7.0.07.4.12composer
OR
symfonyroutingRange6.0.06.4.40composer
OR
symfonyroutingRange<5.4.52composer

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