Rewards Hub A vulnerability in a smart contract, reportedly coded by Claude Opus 4.6, resulted in an attack causing a loss of approximately $1.78 million. The error involved the incorrect setting of cbETH's price at $1.12 instead of the actual $2,200. The project's PR indicates that the code was co-authored by Claude, marking a potential first instance of a "vibe-coding" related Solidity hack. SlowMist founder Yu Jian noted that the incident occurred on the DeFi lending protocol Moonwell, attributing it to a basic error in the oracle pricing formula.
Smart Contract Vulnerability Leads to $1.78 Million Loss in DeFi Attack
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