OpenAI models helped researchers—operating as part of our Patch the Planet initiative—discover critical security flaws in PHP, an…

First reported Oct 21, 2026, 14:04 UTC

Source reports

OpenAI models helped researchers—operating as part of our Patch the Planet initiative—discover critical security flaws in PHP, an open-source programming language used to run an estimated 70% of websites. Over the past two months, we led a coalition of maintainers, researchers… — @OpenAI (X), Oct 21, 2026, 14:04 UTC
*CRITICAL BUG IN PHP AFFECTS AS MANY AS 70% OF THE WORLD'S WEBSITES, COMPANY SAYS *PHP IS USED BY WORDPRESS AND MANY GOVERNMENT AND E-COMMERCE WEBSITES *BUG WAS FOUND USING AI, SECURITY RESEARCHERS SAY *PATCH WAS PUSHED A DAY EARLY AFTER DETAILS LEAKED OUT — @Investingcom (X), Oct 21, 2026, 14:08 UTC
[Walter Bloomberg] OPENAI: 심각한 취약점과 PHP 광범위한 사용으로 '최근 가장 파급력 있는 버그'로 판단 📰원문/번역 📊시장 현황 🧾스톡허브 — Korean Alpha EN, Oct 21, 2026, 14:32 UTC

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