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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)

Source: TECHMEME · SEP 18, 2026

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

IN THIS STORY
  • Wall Street Journal
  • Claude Opus 5
  • GitHub
  • Robert McMillan

Sources

  • Read the original at TECHMEME

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