CRLFuzz

Fast open-source tool written in Go for scanning web applications for CRLF injection vulnerabilities.

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CRLFuzz is a fast, open-source command-line tool written in Go for scanning web applications specifically for CRLF injection vulnerabilities. It supports scanning single URLs, URL lists, or piped input from other tools, and is aimed at security researchers and penetration testers who need a focused, chainable CRLF-injection checker.

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Behind the summary, Matchbox keeps a richer profile of CRLFuzz - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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