Claude Sonnet 4.5 is a tool tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed December 5, 2025; most recent activity December 5, 2025.
Anthropic identified a vulnerability in blockchain smart contracts using its Claude AI models, which could have led to a potential $4.6 million exploit. However, the company chose not to pursue the attack, as it would…