An attacker exploited a vulnerability in a custom module of an Ethereum Safe wallet to drain about $7.8 million in rsETH. However, a bot named Yoink detected the transaction in the mempool and front-ran the attacker, capturing the funds first by paying the block builder to prioritize its transaction. The issue stemmed from an over-permissioned Multicall helper module that allowed unauthorized instructions to be executed as if they were from the wallet owner. The stolen funds were sent to a fresh address, which was quickly frozen by the Kelp DAO restaking protocol, leaving the money in limbo. This incident highlights risks in DeFi infrastructure where trusted modules, not core wallet code, can be exploited, and raises questions about whether the bot will return the funds, as seen in past similar cases.
The story about a bot robbing a hacker of $7.8 million in rsETH provides context for readers interested in crypto security. For readers following the cryptocurrency market, here is Pluang's market snapshot as of Sep 16, 2026 03:28 WIB: out of 50 major cryptocurrencies, 4 rose and 45 fell. Notable movers include FIL at Rp14.334 with a 15.30% decrease, XRP at Rp22.443 down 13.89%, and BAL at Rp16.297 up 11.14%.
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