Security researchers in an OpenAI bug bounty program hacked OpenAI, accessing its "monorepo" on GitHub, using a cybersecurity version of Opus 4.8 and Opus 5 (Robert McMillan/Wall Street Journal)
A bug-hunting independent security research team was able to access OpenAI's internal code system, exposing growing risks in automated cyber threats
We haven't written up this one. Techmeme has the full story — the link below goes straight to it.