White Hats Used Anthropic’s Claude to Break Into OpenAI in 72 Hours

A small team of researchers chained three bugs with Anthropic’s Claude Opus 5 and ended up inside OpenAI’s private code repository. The whole job took under 72 hours, and OpenAI paid $6,500 for it. The Chain, Link by Link A vulnerable ‘libheif’ library inside Discourse, the forum software, allowed remote code execution (RCE) on the […]



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