{
  "id": 4213999,
  "title": "Security Audit Report: Reentrancy & Access Control Review: Grove Finance",
  "url": "https://urgent.news/2026/08/29/security-audit-report-reentrancy-access-control-review-grove-finance",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-08-29T14:56:47.000Z",
  "source": {
    "name": "Dev.to",
    "slug": "dev-to",
    "url": "https://dev.to/dannydoes_2abdf9c/security-audit-report-reentrancy-access-control-review-grove-finance-dop"
  },
  "original_language": "en",
  "account": "Grove Finance, a major yield optimization protocol on Ethereum with a $2.33 billion TVL, underwent a security audit focusing on reentrancy and access control vulnerabilities. The audit, conducted by the Senior DeFi Security Research Team, revealed several critical issues. First, the cross-chain bridge adapter's `receiveMessage` function lacks a reentrancy guard, allowing attackers to exploit the protocol by crafting malicious messages that trigger callbacks and manipulate state. This could result in double-spending bridged assets or draining liquidity pools, leading to a total loss of funds. Second, the protocol's admin functions' `upgradeImplementation` function is vulnerable due to insufficient access control, enabling compromised admin keys to pause the protocol and upgrade to a malicious contract, draining all user funds. Third, the yield distribution module's `distributeYield` function violates the Checks-Effects-Interactions pattern, allowing attackers to repeatedly claim yield by interacting with the contract during state updates. Additionally, there is no timelock mechanism for critical parameter updates in the `GroveParameters` contract, allowing admins to change parameters maliciously and immediately drain funds. While a reentrancy vulnerability exists in the token swap function, it is considered a medium-risk issue. The audit's overall risk assessment is high, emphasizing the potential for catastrophic financial loss even with low-probability exploits.",
  "summary": "Security Audit Report: Reentrancy & Access Control Review: Grove Finance Target Protocol : Grove Finance (TVL: $2329.4M) Security Audit Report: Reentrancy & Access Control Review Protocol: Grove Finance Scope: Core Smart Contracts (Ethereum Mainnet & L2 Deployments) TVL Context: $2.329B Date: October 26, 2023 Auditor: Senior DeFi Security Research Team 1. Executive Summary Grove Finance, a…",
  "key_points": [
    "Cross-chain bridge adapter receiveMessage function lacks reentrancy guard",
    "Admin function upgradeImplementation vulnerable to access control issues",
    "Yield distribution module distributeYield violates Checks-Effects-Interactions"
  ],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}