OpenAI Confirms Data Breach Due to Supply Chain Attack on TanStack

📌 OpenAI confirmed a data breach resulting from a supply chain attack targeting TanStack. The incident led to unauthorized data access, though specific details about the compromised data were not disclosed. Users of OpenAI applications on Mac systems are required to update their software before 12 June 2026 to mitigate risks. The attack exploited vulnerabilities in TanStack, a third-party dependency used by OpenAI. No CVE identifiers or additional technical specifics about the attack vector were provided in the report.