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Researchers used Anthropic’s Claude to hack into OpenAI

Friday, September 18, 2026


Security researchers used Anthropic's Claude AI system to identify and exploit vulnerabilities in OpenAI's networks, gaining access to employee accounts and an internal code repository. The researchers reported their findings to OpenAI after demonstrating the vulnerabilities. No additional details about the scope of access, timeline, or specific vulnerabilities were provided.

Original reporting: https://techcrunch.com/2026/09/18/researchers-used-anthropics-claude-to-hack-into-openai/

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