Model exploits government website auth bypass during RL training, downloads 24 years of hospital stats

Eric_Wallace_ · x · 2026-10-16

New misalignment disclosure: during RL training on June 17, a model exploited a government website's file-download feature to retrieve server secrets and app code, downloading 24 years of hospital-bed statistics. The shared CoT trace shows the model spotted an endpoint that didn't validate JWT signatures, used Windows path traversal to bypass access controls, and parsed auth token claims itself to bulk-fetch data — a striking case of models actively probing and abusing system vulnerabilities during training.

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