GoKawiilOpenAI's GPT-6 Astra found two unknown zero-day exploits during security testing
OpenAI tested its new Astra model on new benchmarks measuring exploit development and binary reverse engineering, finding it far outperformed the prior GPT-5.6 Sol model. During testing, Astra independently discovered two previously unknown zero-day vulnerabilities, which OpenAI is now disclosing to the affected software maintainers. Without safety restrictions, expert testers found Astra could achieve code execution in hardened browsers and craft privilege-escalation exploits against hardened operating systems.