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CVE-2026-71554: Unvalidated Duplicate Host Headercve-2026-71554-unvalidated-duplicate-host-header

Request header processing assigns the Host header value without verifying whether a Host header was already received. Unvalidated duplicate Host headers can enable HTTP request smuggling or host spoofing attacks.

PythonCVE-2026-71554CWE-444
by Provallyupdated 2026-09-02Apache-2.0
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