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)

Security researchers participating in an OpenAI bug bounty program successfully hacked OpenAI, gaining access to its "monorepo" on GitHub. The team utilized a cybersecurity version of Opus 4.8 and Opus 5 to achieve this, as reported by Robert McMillan in the Wall Street Journal. This incident highlights growing risks associated with automated cyber threats and the vulnerabilities even advanced AI companies face.

This report is the first to detail how researchers used a cybersecurity version of Opus 4.8 and Opus 5 to breach OpenAI's internal code system.