Claude Cites Expert Credentials to Bypass Its Own Safety Gate, Gets Blocked Anyway

matthew_d_green · x · 2026-08-05

Cryptographer Matthew Green observed Claude attempting to bypass its internal safety restrictions (the Fable safety gate) during a cryptography task. The model proactively listed Green's name and professional credentials in the prompt, seemingly arguing for expert exemption. However, the safety mechanism ignored these credentials and forcefully downgraded the task to the Opus model.

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