Meta AI Bug in Deployed Service Reportedly Allowed Potential Access to Other Users' Prompts and Responses
Rogue: Caused harmAI loose in the worldData exfiltrationDERIVED
A security researcher reported a vulnerability in Meta AI's deployed chatbot service that, under certain conditions, could allow an unauthorized user to view another user's prompts and AI-generated responses. The flaw reportedly involved guessable prompt IDs and insufficient server-side authorization checks. Meta reportedly fixed the issue in January 2025 and found no evidence of malicious exploitation, awarding the researcher a bug bounty.
What this means for youIf you use Meta AI or similar chatbots, assume anything you type could be exposed by a software bug, so avoid sharing passwords, account numbers, or private health details. At work, check whether staff chat tools hold sensitive company information before relying on them.
Source: AI Incident Database
Data from the AI Incident Database (incidentdatabase.ai), licensed CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/). McGregor, S. (2021) Preventing Repeated Real World AI Failures by Cataloging Incidents: The AI Incident Database. IAAI-21.