In-depth review: CyberSanctus

262 words · Editorial

CodeHound, developed by the cybersecurity firm CyberSanctus, is an AI-augmented smart contract auditing tool purpose-built for Solidity developers and blockchain teams who need automated vulnerability detection integrated directly into their development workflow. Rather than replacing the depth of a manual security audit, CodeHound positions itself as a practical, pre-audit safety net that catches common but critical flaws such as reentrancy, integer overflows, and gas-related issues across major blockchain platforms like Ethereum, BNB Chain, Polygon, Arbitrum, and Fantom. Its standout strengths lie in its dual integration paths: a VSCode extension that delivers inline security feedback as developers write code, and a GitHub integration that allows teams to scan entire repositories or trigger scans on pull requests. This makes it particularly well-suited for DeFi protocol developers and security auditors who want to accelerate their audit cycles without sacrificing baseline security checks. However, the tool's scope is deliberately constrained—it focuses on well-known vulnerability patterns and supports only Solidity, meaning teams working with Rust-based chains or seeking zero-day detection will need complementary solutions. The tiered pricing, including a generous free tier with 2,000 free lines of code and unlimited scans, lowers the barrier for individual developers to test the tool, while the Personal and Business plans scale to 10,000 and 50,000 lines respectively, with features like team invites and custom API keys. For a smart contract developer or a small blockchain project, CodeHound offers a straightforward, low-friction way to embed security scanning into daily work, but it should be viewed as a supplement to—not a substitute for—a thorough manual audit or a more comprehensive security suite.

Who it's built for

Smart contract developers
Why it fits
Developers writing Solidity code need quick, automated security feedback without manual review overhead. CodeHound integrates directly into VSCode and GitHub, catching common vulnerabilities early.
Best value
The VSCode extension provides real-time vulnerability alerts as you code, reducing the back-and-forth between writing and auditing.
Caution
CodeHound only scans for well-known vulnerabilities; nuanced logic flaws or zero-days may still require manual review.
Blockchain project teams
Why it fits
Teams managing multiple contracts across Ethereum, BNB Chain, Polygon, and others benefit from consistent automated scanning across all their projects.
Best value
GitHub integration allows scanning entire repositories, making it easy to enforce security checks across the team's codebase.
Caution
Line limits (10k or 50k depending on plan) may be restrictive for large projects; plan upgrades may be needed.
Security auditors
Why it fits
Professional auditors can use CodeHound as a supplementary tool to automate detection of common vulnerabilities, freeing time for deeper analysis.
Best value
Detailed PDF reports generated by CodeHound can be shared with clients or used for compliance documentation.
Caution
CodeHound is not a replacement for manual auditing; it should be used as a first pass to catch low-hanging issues.

Key features

AI-Powered Smart Contract Audits
The AI engine scans Solidity code for vulnerabilities like reentrancy, integer overflows, and gas-related issues using static and dynamic analysis.
Benefit
Automates the detection of common security flaws, speeding up the audit process and reducing human error.
Limitation
Only scans for well-known vulnerabilities; may miss complex logic flaws or novel attack vectors.
VSCode Extension
Provides inline security feedback directly within the VSCode editor as developers write Solidity code.
Benefit
Enables real-time vulnerability detection without leaving the IDE, improving developer workflow and catching issues early.
Limitation
May generate alerts that can be distracting if not tuned; requires the developer to act on findings.
GitHub Integration
Connects to GitHub repositories to scan Solidity code for security risks, with results presented in the CodeHound dashboard.
Benefit
Allows teams to scan entire repositories automatically, integrating security checks into existing version control workflows.
Limitation
Scan triggers may not be fully automated for every pull request; setup requires connecting a GitHub account.
Detailed PDF Reports
Generates comprehensive PDF reports summarizing scan results, including vulnerability descriptions and severity levels.
Benefit
Useful for compliance, stakeholder communication, and record-keeping; reports are ready to share.
Limitation
Reports are generated after scans; customization options are limited, and reports may not include remediation steps.

Real-world use cases

Automated Pre-Audit for DeFi Protocols
Blockchain project teams
1. Scenario
  A DeFi development team is preparing their Solidity contracts for a formal security audit. They want to catch common vulnerabilities beforehand to reduce audit costs and time.
2. Solution
  The team uses CodeHound to scan their contracts via GitHub integration. The AI detects reentrancy and overflow issues, and the team fixes them before the formal audit.
3. Outcome
  Reduces the number of findings in the formal audit, saving time and money, and improves overall contract security.
Continuous Security in CI/CD
Smart contract developers
1. Scenario
  A blockchain startup wants to ensure every code change is scanned for vulnerabilities before deployment. They need a tool that fits into their existing CI/CD pipeline.
2. Solution
  CodeHound's GitHub integration is configured to scan each pull request. Developers receive feedback on vulnerabilities directly in the PR comments or dashboard.
3. Outcome
  Enables continuous security checks, preventing vulnerable code from reaching production without manual intervention.
In-IDE Security Feedback for Developers
Smart contract developers
1. Scenario
  A Solidity developer is writing a new smart contract in VSCode and wants immediate feedback on potential security issues without switching to another tool.
2. Solution
  The developer installs the CodeHound VSCode extension. As they type, the extension highlights risky code patterns and suggests fixes.
3. Outcome
  Speeds up development by catching issues early, reducing the need for later rework, and educating developers on secure coding practices.

Pros & cons

Pros

Automates tedious parts of the security audit process.
Integrates AI with trusted static and dynamic scanners.
Provides detailed PDF reports with vulnerabilities and fixes.
Offers VSCode extension for seamless development workflow.
Supports GitHub integration for easy code scanning.
Offers different pricing plans to scale for various needs.

Cons

Pricing may be a barrier for some individual developers.
Reliance on AI may not catch all vulnerabilities.
Requires a CyberSanctus account.

Pricing

Parsed from stored tiers (HTML or plain text). If a line is missing, check the notes below — confirm on the vendor site before purchasing.

Newbie

$0/ month

FREE /month 2,000 Free Lines of Code, Unlimited Scans, No Credit Card Required, Invite Team Members, Custom API Key

Business

£99/ month

£99 /month Unlimited Scans, 50k Lines of Code, Connect to GitHub, Invite Team Members, Custom API Key

Personal

£19/ month

£19 /month Unlimited Scans, 10k Lines of Code, Connect to GitHub, Invite Team Members, Custom API Key

Frequently asked questions

What is CodeHound and how does it work?General

CodeHound is an AI-enhanced smart contract auditing tool that scans Solidity code for security vulnerabilities. It uses static and dynamic analysis to detect issues like reentrancy, integer overflows, and gas problems. You can use it via a web dashboard, VSCode extension, or GitHub integration.

What vulnerabilities can CodeHound detect?Workflow

CodeHound scans for well-known vulnerabilities such as reentrancy, integer overflows, and gas-related issues. It is designed to catch common security flaws but does not detect zero-day vulnerabilities or complex logic errors that require manual review.

Does CodeHound support languages other than Solidity?Limitations

Based on available information, CodeHound is focused on Solidity smart contracts. There is no mention of support for other languages like Vyper or Rust. If you need multi-language support, you may need to supplement with other tools.

How does CodeHound pricing work?Pricing

CodeHound offers a free tier with 2,000 lines of code and unlimited scans. Paid plans start at £19/month for personal use (10k lines) and £99/month for business (50k lines). All plans include GitHub integration and team member invites.

Can I use CodeHound with GitHub and VSCode?Integration

Yes, CodeHound offers both GitHub integration and a VSCode extension. The GitHub integration lets you scan repositories directly, while the VSCode extension provides inline feedback as you code. Both are included in all plans.

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