18 September 2026

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)

Robert McMillan / Wall Street Journal:
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  —  A bug-hunting independent security research team was able to access OpenAI's internal code system, exposing growing risks in automated cyber threats

Posted from: this blog via Microsoft Power Automate.

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