According to @sama, a security researcher using their previous model discovered and disclosed a React vulnerability that could lead to source code exposure. Source: Sam Altman on X, Dec 18, 2025. He added that such AI models will ultimately benefit cybersecurity, with the technology now in a real impact phase as capabilities improve. Source: Sam Altman on X, Dec 18, 2025. React underpins many web user interfaces and ranks among the most-used web frameworks, increasing the potential surface area affected by such disclosures. Sources: React official site; Stack Overflow 2023 Developer Survey. Because React is commonly used in crypto dApp front-ends (including React/Next.js stacks cited in Ethereum.org developer docs), a vulnerability exposing source code is relevant to security assessments across Web3 interfaces. Sources: Ethereum.org developer portal; Sam Altman on X, Dec 18, 2025.