Bonzo Lend Lost $9 Million Due to SAUCE Token Manipulation

Bonzo Lend lost approximately $9 million due to the manipulation of the SAUCE token price. The attacker withdrew assets from the pool by falsely representing a low-value collateral as high. According to a preliminary report published on Saturday, the attacker sent an update that raised the token price by 12 digits after depositing 250 SAUCE. Following this transaction, the relevant wallet borrowed 6.63 million USDC and 34.5 million wrapped HBAR from the credit pool. Bonzo reported that the issue stemmed from the oracle verification process that accepted the manipulated SAUCE price. This incident demonstrated that disruptions in the oracle layer could lead to significant liquidity losses in decentralized finance protocols. Bonzo attributed the source of the attack to a flaw in Supra's oracle validator, and Supra announced that it acknowledged the issue. In the second quarter of 2026, there were 83 attacks targeting decentralized finance protocols, resulting in a total loss of approximately $755 million. Attacks on cross-chain bridges led to a loss of $351 million. According to CryptoRank data, the total value of locked assets in the DeFi ecosystem fell by 39% from January to June.

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