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Heimdall: Forwarded Header Injection via Unsanitized Host Header in Proxy Mode

🗓️ 18 Jun 2026 14:24:41Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 4 Views

In proxy mode, Heimdall builds Forwarded header from Host without sanitization, enabling IP spoofing.

Detection
Refs

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