Claude-powered ethical hack reveals OpenAI security gaps

TL;DR
Hackers from Hacktron AI used Anthropic’s Claude and OpenAI’s GPT-5.6 Sol to ethically breach a subset of OpenAI staff ChatGPT accounts, enabling access to a software cache via an internal staff forum and a harmless GitHub pull request; OpenAI patched the vulnerabilities after the disclosure and paid a $6,500 bug bounty, illustrating how AI tools can speed up complex cyberattacks and fueling ongoing safety debates in the industry.
- OpenAI ‘ethically hacked’ with help of Anthropic’s Claude chatbot The Guardian
- Exclusive | Hackers Used Anthropic’s Claude to Break Into OpenAI WSJ
- OpenAI breached by researchers using Anthropic models Financial Times
- Security Researchers Hacked Into OpenAI Using Anthropic’s Claude Forbes
- OpenAI hacked by small team of white hat security researchers using Anthropic's Claude Opus 5 VentureBeat
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