{"contract_name":"SimpleVault (Demo)","risk_score":"HIGH","summary":"Critical reentrancy vulnerability in withdraw(). Attacker can recursively call withdraw() before balance updates, draining all funds.","findings":[{"severity":"CRITICAL","title":"Reentrancy in withdraw()","description":"Contract sends ETH before updating user balance. Attacker can re-enter withdraw() recursively to drain the contract.","recommendation":"Apply checks-effects-interactions: update balance before sending ETH, or use ReentrancyGuard."},{"severity":"MEDIUM","title":"Missing access control on setOwner()","description":"Any address can call setOwner() and take ownership.","recommendation":"Add onlyOwner modifier."},{"severity":"LOW","title":"Integer overflow potential","description":"Arithmetic lacks overflow protection.","recommendation":"Upgrade to Solidity ^0.8.0."}],"verdict":"DO NOT DEPLOY — critical reentrancy vulnerability present","_demo":true,"_note":"Pre-computed demo audit. Real audits: $2.00 USDC via x402 at rattler.lonestaroracle.xyz"}