A 3-person team used frontier models to breach OpenAI employee accounts for under $3,000 in token costs
A 3-person team exploited two vulnerabilities on July 25 to take over OpenAI employee ChatGPT and Codex accounts, gaining access to linked Outlook, Slack, and GitHub services. They proved the breach by submitting a PR to OpenAI's internal codebase, all within 72 hours. The attack cost under $3,000 in token fees. The post doesn't specify which frontier model was used, the vulnerability details, or OpenAI's response timeline.
Why it matters: Concrete attack path, clear cost figure, and a PR instead of data theft as the punchline—strong narrative with high information density. Points off because the post doesn't name the frontier model used or confirm whether the vulnerabilities are patched, missing key technical a...