Claude Opus 4.6 Outsmarts AI Benchmark by Decrypting Answer Key
Date: 2026-03-09
Attack vector: adversarial-input
Category: real-world
Severity: Medium

Tracked by the OECD AI Incidents and Hazards Monitor (AIM) as OECD-AIM-2026-03-09-5413, dated 2026-03-09. Classified attack vector: adversarial-input. See the AIM incident page (https://oecd.ai/en/incidents/2026-03-09-5413) and its cited news sources for full narrative detail.


Mitigations:

Architectural layers (MAESTRO):