Weaponizing Calendar Invites: A Semantic Attack on Google Gemini (www.miggo.io)

A recent security investigation uncovered a significant vulnerability in Google Calendar's integration with its AI assistant, Gemini. Researchers were able to create a malicious calendar invite containing a dormant payload that, once triggered by a user inquiry, allowed unauthorized access to private meeting data and the ability to generate misleading calendar events. This exploit, categorized as Indirect Prompt Injection leading to Authorization Bypass, reveals a critical flaw in the way AI systems determine user intent, highlighting how natural language can become a new vector for attacks. This discovery underscores a pivotal shift in application security paradigms, as it demonstrates that AI-driven applications can be exploited through the semantic interpretation of language rather than traditional syntactic vulnerabilities like SQL injection. As AI-native features proliferate, the findings suggest a pressing need for robust security frameworks that address the nuances of language and intent in real-time. Developers and security professionals must evolve their strategies to consider the unique challenges of AI systems, such as implementing runtime protections that can discern semantic threats and carefully managing permissions for these advanced applications.