Vercel suffered a significant data breach after an employee at the AI startup Context AI inadvertently installed malware from a Roblox cheat, enabling attackers to exploit an OAuth integration and access internal systems. The incident led to the exfiltration of non-sensitive environment variables and has forced thousands of developers to undertake massive credential rotation efforts. Ultimately, the attack underscores the severe security vulnerabilities introduced by granting broad access permissions to third-party AI productivity tools.