Web3 Vulnerabilities

Analyze blockchain smart contracts for reentrancy, integer overflow, and logic bugs.

Updated Aug 6, 2026
One-click install
npx skills add https://github.com/alicangnll/Spectra --skill web3-vulnerabilities
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: Web3 Vulnerabilities
Source: https://github.com/alicangnll/Spectra/tree/main/spectra/skills/builtins/web3-vuln
Command: npx skills add https://github.com/alicangnll/Spectra --skill web3-vulnerabilities

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires web3, solidity, delegator, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This skill identifies and analyzes security vulnerabilities in blockchain smart contracts and DeFi protocols, helping users avoid costly security breaches.

Core Features & Use Cases

  • Smart Contract Analysis: Inspects smart contracts for reentrancy, integer overflow/underflow, logic bugs, and other common vulnerabilities.
  • DeFi Analysis: Evaluates DeFi protocols for flash loan attacks, oracle manipulation, bridge vulnerabilities, and more.
  • Use Case: A smart contract auditor can use this skill to analyze smart contracts for security risks before they go live on the mainnet.

Quick Start

Run the 'analyze-contract' command with the path to the smart contract file to get an immediate vulnerability assessment report.

Frequently Asked Questions about Web3 Vulnerabilities

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I check smart contracts for reentrancy and integer overflow vulnerabilities?

To check smart contracts for reentrancy and integer overflow vulnerabilities, run an automated security auditing analysis using the 'analyze-contract' command with your smart contract file path. This identifies common logic bugs and security risks before deployment.

What is DeFi protocol security auditing and how does it prevent flash loan attacks?

DeFi protocol security auditing is the process of evaluating blockchain protocols for flash loan attacks, oracle manipulation, and bridge vulnerabilities. It analyzes smart contract code to identify logic bugs and security risks before mainnet deployment.

Can I analyze Ethereum-based smart contracts for security risks before mainnet deployment?

Yes, you can analyze Ethereum-based smart contracts for security risks before mainnet deployment. The security auditing process inspects smart contract code to identify vulnerabilities like reentrancy, integer overflow, and logic bugs specific to blockchain platforms.

How do I detect oracle manipulation and bridge vulnerabilities in DeFi protocols?

You detect oracle manipulation and bridge vulnerabilities in DeFi protocols by running a targeted security audit. This evaluates the protocol's smart contract code to identify specific Web3 attack vectors and logic bugs.

Do I need Solidity and Web3 dependencies to perform a smart contract security audit?

Yes, you need Solidity and Web3 dependencies to perform a smart contract security audit. A deep understanding of blockchain smart contract coding and security auditing principles is required to accurately identify vulnerabilities in DeFi ecosystems.

What are the limitations of automated security auditing for Web3 applications?

Automated security auditing for Web3 applications focuses on common vulnerabilities like reentrancy and integer overflow but may not detect all complex logic bugs. It requires a deep understanding of blockchain coding principles to interpret results accurately.