OpenAI has issued a mandatory update for its macOS applications, including ChatGPT, Codex, and Atlas. This action is a precautionary measure following a supply chain attack that impacted the TanStack npm package, a vulnerability previously seen in March 2026. macOS users are urged to update their applications by June 12th to ensure their digital signatures are current and secure. AI
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IMPACT Ensures continued secure access to OpenAI's macOS applications.
RANK_REASON Security update for existing products.