OpenAI Launches Daybreak AI Tool: GPT-5.5 Auto-Patches Zero-Day Vulnerabilities, Ending 90-Day Policy
OpenAI officially unveiled the Daybreak AI system on May 15, powered by GPT-5.5, which autonomously discovers and patches zero-day vulnerabilities before attackers can exploit them. In collaboration with Cisco and Cloudflare, this tool marks the end of the traditional 90-day vulnerability disclosure policy.