GPT-5.6 Sol and Gemini 4 Argon find critical PHP flaws; attacks force sites offline worldwide
2026-10-21 | IDN | incident | economic, safety
Our take
Two frontier models found the bugs. Patching them was left to the humans, as is tradition.
The facts
AI systems, including OpenAI's GPT-5.6 Sol and Google's Gemini 4 Argon, uncovered two critical security vulnerabilities in PHP, a language powering most websites. The discovery led to widespread cyberattacks, forcing government, banking, and public service sites offline worldwide, and prompting emergency security patches and global cybersecurity alerts.