At a Glance · AI-generated

OpenAI's GPT-5.6 Sol model and Google's Gemini 4 Argon discovered a critical PHP vulnerability affecting approximately 70% of websites worldwide, triggering widespread alarm across the tech industry. The flaw, identified October 21, leaves millions of web servers vulnerable to attack. Major technology companies including OpenAI, Google, and Amazon have initiated response efforts, with OpenAI implementing a five-stage mitigation plan as security researchers warn that AI-discovered vulnerabilities are likely to increase.