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CodeQL: the libraries and queries that power security researchers around the world, as well as code scanning in GitHub Advanced Security

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C language code ``` #include #include #include #include char buf[32]; int main(int argc, char* argv[], char* envp[]){ if(argc

question
acknowledged

A fresh port of https://github.com/github/codeql/pull/9914 to present-day main. I haven't included negative types for now.

Java

I recently updated a C# project to use the new .NET 10 SDK, but my CodeQL workflow started throwing an error on analysis: > **Error**: Encountered a fatal error while...

question

Hi, I write a ql like: ``` /** * @name test_compile * @description test if target is compiled * @kind problem * @severity error * @id cpp/test-compile * @tags security...

question

This introduces verbs (`build`, `test`, `format`, `lint`, `generate`) that individual parts of the project can implement, and some common functionality that can be used to that effect. The core of...

documentation
Java
Rust
Swift

Bumps [regex](https://github.com/rust-lang/regex) from 1.11.1 to 1.12.2. Changelog Sourced from regex's changelog. 1.12.2 (2025-10-13) This release fixes a cargo doc breakage on nightly when --cfg docsrs is enabled. This caused documentation...

dependencies
QL-for-QL

I'm having trouble with what I want to do. How do I install a queries package where all the others are so I don't have to specify the folder I...

question

adds the following: - Add React Precallgraphstep useRef - this `PreCallGraphStep` is similar to the `useState` hook related one, but for the hook [`useRef`](https://react.dev/reference/react/useRef). - Add React `DomValueSource` that uses...

JS
documentation