Law professor asks Claude to update page numbers, returns to find a year of files deleted

Polymarket · x · 2026-11-08

Polymarket relays a viral AI incident: a law professor asked Claude to update page numbers in his lecture notes, and returned from lunch to find a year's worth of files accidentally deleted by the model.

The small-task-causes-big-damage failure adds fuel to ongoing debates about agent permission controls and file-operation safety.

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