The GITHUB_TOKEN is a JSON Web Token (JWT) that is generated by GitHub for each workflow run. It's a unique token that's specific to the workflow run and is used to authenticate and authorize actions within that run.
The GITHUB_TOKEN can be used to:
To understand the danger, one must first understand the mechanism. raw.githubusercontent.com is a service that serves files directly from Git repositories without HTML formatting, making it ideal for configuration files, shell scripts, and JSON data. A token, in this context, typically refers to a personal access token (PAT) or OAuth token that grants access to GitHub’s API. When a developer pastes such a token into a file—for example, a curl command inside a .sh script—and then pushes that file to a public repository, the token becomes instantly discoverable. Within minutes, automated scrapers scanning GitHub for exposed secrets will find it. The token is not encrypted; it is plain text served over HTTPS, available to anyone with the URL. githubusercontent token