CVE-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.
Pythongreprules fetch cve-2026-71554-unvalidated-duplicate-host-header --engine opengrepDescription
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.
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