Attacker Drains $3.7M From Venus Protocol in Flash Loan Exploit

Edgen Crypto

·Mar 15 2026, 13:52

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Key Takeaways

A suspected flash loan attack on Venus Protocol resulted in a loss of over $3.7 million, exposing critical vulnerabilities in the DeFi lending platform's risk management. The incident highlights a persistent weakness across the DeFi sector, where rapid growth in locked assets is not matched by sufficient insurance or collateral controls.

An attacker profited over $3.7 million by using the obscure THE token as collateral, manipulating its value to borrow significant assets.
The stolen funds include 20 BTC, 1.5 million CAKE, and 200 BNB, which were drained from the platform's liquidity pools.
The exploit reinforces expert warnings that DeFi needs a robust insurance layer to de-risk platforms and attract institutional capital.

Attacker Nets $3.7M by Exploiting Collateral Weakness

An attacker successfully extracted over $3.7 million in assets from Venus Protocol in a targeted exploit using a flash loan. The individual, operating from address 0x1a35...6231, manipulated the protocol by posting a large quantity of the THE token as collateral. This allowed them to borrow a substantial portfolio of blue-chip assets, including 20 Bitcoin (BTC), 1.5 million CAKE, and 200 Binance Coin (BNB), before the under-collateralized position triggered liquidations. The attack method underscores the inherent risks of accepting less liquid or volatile tokens as collateral, a common vulnerability in DeFi lending markets.

Exploit Exposes DeFi's 'Missing' Insurance Layer

The Venus Protocol incident serves as a practical case study for the systemic risks plaguing the decentralized finance industry. It validates concerns that the sector's focus on Total Value Locked (TVL) has overshadowed the need for security and risk mitigation, such as insurance. Experts argue that DeFi protocols are building a high-stakes system without a sufficient safety net, leaving them fragile. This event, alongside recent exploits at Solv Protocol which lost $2.7 million and Gondi which lost $230,000, demonstrates a recurring pattern of failure. For DeFi to achieve mainstream adoption and attract institutional investment, it must evolve from a high-risk casino into a resilient financial system with a robust insurance primitive to turn opaque technical risks into manageable, priced commodities.