Aave V3 Yield Strategy Report Flags Oracle, Cap-Bypass and Bridge Risks

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A DeFi security research report dated 20 October 2026 assesses Aave V3, a lending protocol with roughly $16.9 billion in total value locked across Ethereum and several Layer-2 networks. The report evaluates the protocol's core contracts, price oracles, risk parameters, governance, and integration points from the perspective of a yield optimiser allocating large capital. It identifies four high-impact attack vectors, including manipulation of price oracles through stale or compromised feeds and supply or borrow cap bypass via flash-loan re-entrancy. It also highlights cross-chain bridge exploits between Layer-2 and Layer-1 networks as a material concern. The authors assign an overall risk score of 6 out of 10, describing the protocol as mature but carrying non-trivial residual risk from its newer risk-parameter system and bridge interactions.

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