Security Team Used Anthropic's Claude to Breach an OpenAI Employee's ChatGPT Account, Reaching Private Code

EthanJPerez · x · 2026-09-18

Per WSJ, an independent bug-hunting security research team used Anthropic's Claude software to gain access to an OpenAI employee's ChatGPT account, letting them read and suggest changes to the company's private cache of software — effectively reaching OpenAI's internal codebase.

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