Tech May 14, 2026 12 min GTIG observed the first AI-generated zero-day: a Python 2FA bypass exposed by a hallucinated CVSS Verdict on GTIG's May 11, 2026 report: the first confirmed AI-generated zero-day, a Python 2FA bypass for an OSS admin tool, was caught by a hallucinated CVSS score and textbook Pythonic code structure. セキュリティ AI LLM ゼロデイ Google