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Wednesday, October 21, 2026Sources checked

Policy & Courts

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

Insider

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

Picture: Insider

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. Greg Brockman, the president of OpenAI, said in an X post that hackers could exploit the vulnerability to steal private user data or modify websites. "We consider this one of the most impactful security issues in recent memory," OpenAI said in a blog post.

Also carried by Business Insider.

This report was first published by Insider. What you see here is a brief excerpt. The full text is theirs.

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