CyScout – Solidity Vulnerability Detection Powered by GitHub CodeQL

Hi everyone, GitHub's CodeQL is a powerful semantic code analysis engine for identifying vulnerabilities across codebases. We've extended CodeQL to support Solidity, the most popular programming language for smart contracts. CodeQL enables you to query code as though it were data, and it's open-source (OSS). You can check it out here: . The product page is available at . CodeQL has its own licensing model, which you can find at https://codeql.github.com/. TL;DR: CodeQL is free for research and open-source projects.

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In plain words

CyScout extends GitHub's CodeQL semantic analysis engine to detect vulnerabilities in Solidity smart contracts. It allows developers to query code as data using an open-source framework, designed for those building and auditing blockchain applications. The tool is free for research and open-source projects, with flexible licensing available for other uses.

written from the facts on this page · September 2026

From the sources

In the maker’s words, at launch

Hi everyone, GitHub's CodeQL is a powerful semantic code analysis engine for identifying vulnerabilities across codebases. We've extended CodeQL to support Solidity, the most popular programming language for smart contracts. CodeQL enables you to query code as though it were data, and it's open-source (OSS). You can check it out here: <https://github.com/CoinFabrik/CyScout/>. The product page is available at <https://www.coinfabrik.com/products/cyscout-solidity-codeql/>. CodeQL has its own licensing model, which you can find at https://codeql.github.com/. TL;DR: CodeQL is free for research and open-source projects.

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