Major AI Chatbots Leak User Conversations to Advertising Trackers
Date: 2026-05-05
Attack vector: data-exfiltration
Category: real-world
Severity: High

Tracked by the OECD AI Incidents and Hazards Monitor (AIM) as OECD-AIM-2026-05-05-6f9b, dated 2026-05-05. Classified attack vector: data-exfiltration. See the AIM incident page (https://oecd.ai/en/incidents/2026-05-05-6f9b) and its cited news sources for full narrative detail.


Mitigations:

Architectural layers (MAESTRO):