Flash Loan Attack Vector Analysis: Aave V3

Target Protocol: Aave V3 (TVL: $17502.0M)

Technical Security Analysis: Flash Loan Attack Vectors in Aave V3

Target Protocol: Aave V3

Scope: Flash Loan Mechanism & Interaction Interfaces

Document Type: Security Architecture & Threat Model Report

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1. Executive Summary

Aave V3 provides uncollateralized loan primitives ("Flash Loans") that allow users to borrow available reserve liquidity within a single transaction, provided the principal plus execution fees are returned before transaction finalization.

While Flash Loans themselves are a neutral utility tool (used primarily for arbitrage, collateral swaps, and self-liquidations), they act as a capital amplifier in DeFi exploits. This analysis evaluates potential attack vectors leveraging Flash Loan liquidity against Aave V3 or external protocols integrated with Aave V3 reserves, assessing architectural resilience and defensive controls.

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2. Identified Attack Vectors & Threat Analysis

Vector 1: Price Oracle Manipulation via Capital Amplification

• Mechanism: An attacker utilizes an Aave V3 Flash Loan to acquire massive capital in a single block, using it to artificially manipulate low-liquidity spot pools (e.g., Automated Market Makers / AMMs).

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