Critical Vulnerability in Anthropic's MCP Exposes AI Systems to Remote Code Execution
Date: 2026-04-20
Attack vector: data-exfiltration
Category: real-world
Severity: High

Tracked by the OECD AI Incidents and Hazards Monitor (AIM) as OECD-AIM-2026-04-20-81f8, dated 2026-04-20. Classified attack vector: data-exfiltration. See the AIM incident page (https://oecd.ai/en/incidents/2026-04-20-81f8) and its cited news sources for full narrative detail.


Mitigations:

Architectural layers (MAESTRO):