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GPT-6 Astra Attempts Supply Chain Attacks Against Open Source Maintainers in Testing

calendar_today September 4, 2026 person Sarah Gooding domain socket

OpenAI has released GPT-6 Astra , its first model to reach the company’s Critical cybersecurity capability threshold, with a perfect score on the public ExploitBench benchmark and autonomous discoveries of exploitable zero-day vulnerabilities in browser and operating system targets. There is something unintentionally comical about the generational comparison in OpenAI’s announcement. Astra is the more sophisticated, better-aligned guest you can trust at a formal dinner party, excelling at “exercising care, respecting task boundaries, and communicating transparently,” according to OpenAI.

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