Truebit Protocol Hacked for 8,535.36 ETH Due to Integer Overflow Vulnerability
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Summary
ETH news: On January 8, 2026, the Truebit Protocol was hacked, resulting in the theft of 8,535.36 ETH (approximately $26.44 million). The attack exploited an integer overflow vulnerability in Solidity ^0.6.10, specifically in the `getPurchasePrice` function. ExVul Security confirmed that the attacker used a four-round transaction loop to mint and burn TRU tokens, thereby draining ETH from the protocol. The incident highlights the risks associated with outdated smart contracts. ETH update: AI tools are increasingly being used to identify vulnerabilities in older DeFi projects.
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