<div dir="ltr">Explore this gift article from The New York Times. You can read it for free without a subscription.<br><br>A.I. Discovered a Critical Security Flaw Underpinning Websites<br><br>The disclosure heightened concerns about A.I.’s potential to upend cybersecurity unless shortcomings are addressed.<br><br><a href="https://www.nytimes.com/2026/10/21/us/politics/php-vulnerability-ai-openai-cybersecurity.html?unlocked_article_code=1.KlE.SNex.TwYk0Jt8G014&smid=em-share">https://www.nytimes.com/2026/10/21/us/politics/php-vulnerability-ai-openai-cybersecurity.html?unlocked_article_code=1.KlE.SNex.TwYk0Jt8G014&smid=em-share</a></div>