wuppiefuzz ☆
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Description:
Coverage-guided REST API fuzzer developed on top of LibAFL
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: fuzzing security rest-api testing libafl
Install: brew install wuppiefuzz
About:
Wuppiefuzz is a coverage-guided REST API fuzzer built upon the LibAFL framework. It systematically generates and mutates HTTP requests to discover edge cases, bugs, and security vulnerabilities in web services. The tool leverages feedback from code coverage to intelligently guide the fuzzing process towards unexplored execution paths.
Key Features:
  • Coverage-guided feedback loop for efficient bug discovery
  • Built on the robust LibAFL (Rust) framework
  • Supports complex stateful REST API interactions
  • Extensible architecture for custom mutators and monitors
Use Cases:
  • Security auditing of RESTful web services
  • Automated regression testing for API endpoints
  • Fuzzing authentication and session management logic
Alternatives:
  • restler – Restler is Microsoft's stateful REST API fuzzer written in Python, whereas Wuppiefuzz offers Rust-based performance and LibAFL's mutational flexibility.
  • ffuf – FFuf is a fast web fuzzer primarily used for directory discovery and brute-forcing, while Wuppiefuzz focuses on protocol-aware fuzzing for logic and memory corruption bugs.
Version History
Detected Version Rev Change Commit
Sep 26, 2025 12:21pm 0 VERSION_BUMP e827d885
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