Researchers used Claude to hack OpenAI employees' ChatGPT accounts

Talk about your competitor getting through the door. Security researchers used Anthropic's Claude to help hack into OpenAI employees’ ChatGPT accounts. A trio of bug hunters researching frontier AI labs’ security weaknesses chained two vulnerabilities to take over multiple OpenAI employees’ ChatGPT accounts, then used that access to demonstrate they could reach an internal OpenAI repository by opening a harmless pull request. The entire timeline, from initial discovery to accessing OpenAI’s repo, took less than 72 hours and earned the researchers a $6,500 reward from OpenAI’s bug bounty program on Bugcrowd. “Until two months ago, any user or OpenAI employee logging into OpenAI’s own help forum (community.openai.com) could...

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