LLM Fuzzing Techniques 2026 — Automated Vulnerability Discovery in AI Models

📰 Originally published on SecurityElites — the canonical, fully-updated version of this article. The manual AI red teamer sits down, thinks of a creative jailbreak, tests it, notes the result, thinks of another one. After a day they’ve tested maybe 50 prompt variations across three or four attack categories. Meanwhile, a developer’s automated fuzzer is sending 50 prompt variations every 30 seconds, systematically covering every known mutation type across all 15 OWASP LLM vulnerability categorie