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Hackers Used Anthropic’s Claude to Break Into OpenAI

Posted: 20 Sep 2026, 16:56
by Mexico_b
Two weeks after a swarm of AI agents broke out of containment at OpenAI to hack the company Hugging Face, the ChatGPT maker learned about another AI-powered intrusion—and this time it was the target. Independent security researchers at Hacktron AI had used Anthropic’s Claude software to gain access to an OpenAI employee’s ChatGPT account, giving them a way to read and suggest changes to the company’s private cache of software. The team, who participated in an OpenAI bug-hunting program that offers a safe harbor for researchers to attempt to break into corporate systems, quickly reported their findings to the company. The team, to which OpenAI paid a $6,500 bounty, disclosed their work for the first time to The Wall Street Journal. Full Story

Source: The Wall Street Journal