Security audit flags high-risk flash loan vulnerabilities in Concrete DeFi protocol

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A DeFi security analysis of the Concrete lending protocol, published on October 1, 2026, identified critical vulnerabilities in its design. The audit of the protocol, which holds $1.26 billion in assets, focused on its inherent flash loan functionality. It found several high-severity risks, including oracle price manipulation and re-entrancy attacks, which could lead to significant financial losses. The report assigned an overall risk score of 7 out of 10, noting these flaws could jeopardize a large portion of the protocol's value if unaddressed.

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