Cyber Risks · PortSwigger Research

HTTP TRACE method is enabled

Summary: The HTTP TRACE method, designed for diagnostic purposes, causes a web server to echo the exact request it received back in its response. PortSwigger notes this is often harmless but can disclose sensitive information such as internal authentication headers appended by reverse proxies, and that TRACE should be disabled on production web servers.

Why it matters: A server that echoes requests verbatim can hand back internal authentication headers added by reverse proxies - credentials your architecture assumes stay behind the perimeter.

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Topics
Vulnerabilities & Patching
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