A major security flaw found using an OpenAI model is causing internet chaos

OpenAI said that 70% of the world's websites could be in peril after cybersecurity researchers using its AI models found exploits in a popular programming language. The National Security Administration's cyber division advised all web providers that use PHP, a widely used open-source language, to take their systems offline or update their software after OpenAI said one of its models found two "critical" flaws in the language's infrastructure.

Published 21-Oct-2026 16:50 UTC · First seen 21-Oct-2026 16:47 UTC

Sources

• businessinsider · 21-Oct-2026