A major security flaw found using an OpenAI model is causing internet chaos
A PHP vulnerability found by cybersecurity researchers using GPT-5.6 Sol could affect as many as 70% of websites.
MASTER/Getty Images The internet is ablaze after cybersecurity researchers using AI found a bug in the PHP programming language.
Greg Brockman said bad actors could use the exploit to steal private user data.
The FBI and NSA have advised people to either take down websites or update their software.
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.
While OpenAI said the vulnerabilities appear to have been identified before any attackers discovered them, the public disclosure set off a race for companies and governments to update their websites and apply fixes before hackers could exploit the bugs.
"We are seeing early attacks emerging and are updating mitigations as new vectors show up," Dane Knecht, Cloudflare's chief technology officer, said in a post on X.
Numerous websites, including those belonging to governments and the media, went offline on Wednesday to address the issue.
PHP is a popular programming language that often handles the behind-the-scenes work powering websites that require user logins and online orders.
The critical flaw was first identified by Calif, a cybersecurity research company using GPT-5.6 Sol .
Wiz, another cybersecurity company, independently uncovered the issues, OpenAI said.
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