CVE-2026-39807: Untrusted Client Scheme Fallback
Trusting the client-provided scheme without verifying the underlying secure channel state can lead to transport-state spoofing. An attacker can supply "https" via an absolute-form HTTP request or HTTP/2 `:scheme` pseudo-header over a plaintext connection to mislead security decisions.
Elixirgreprules fetch cve-2026-39807-untrusted-client-scheme-fallback --engine opengrepDescription
Trusting the client-provided scheme without verifying the underlying secure channel state can lead to transport-state spoofing. An attacker can supply "https" via an absolute-form HTTP request or HTTP/2 `:scheme` pseudo-header over a plaintext connection to mislead security decisions.
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