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i18next-http-middleware: HTTP response splitting and DoS via unsanitised Content-Language header

🗓️ 22 Apr 2026 20:25:49Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 5 Views

i18next-http-middleware pre-3.9.3 allows CRLF in language values to reach Content-Language, causing response splitting on Node<14.6 and DoS on Node≥14.6.

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