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security(headers): validate response header/cookie values against CRLF - #82
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Validate structured response headers and Set-Cookie lines at the framework boundary and fail safely instead of forwarding potentially injected header content.
Add regression tests that assert malicious header and cookie payloads are rejected with safe 500 responses, including HTTPException header payloads.
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Summary
Test plan
uv run maturin develop --uvuv run pytest tests/test_header_sanitization.py tests/test_http_exception.py tests/test_asgi.pyCloses #72