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AI Fuzzer Maps 1,500+ Google APIs, Yields $500K in Bug Bounties

June 12, 2026

A researcher combined automated key collection, discovery scraping, and an AI-driven fuzzer to find over $500K in Google API access control bugs. The system mapped 1,500+ APIs by replaying multi-key probes and parsing error patterns, demonstrating that AI-assisted fuzzing can reliably surface real access control vulnerabilities at scale.

HOW THIS AFFECTS YOU

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builderThe multi-key probe replay and error-pattern parsing approach is a replicable pattern for building automated access control fuzzers against large API surfaces — the methodology is more valuable than the bounty number.

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researcherThis is a practical demonstration that AI-driven fuzzing with structured error parsing outperforms manual testing at API scale, with concrete financial validation of bug quality.

read original ↗brutecat.com

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