GitHub says it notified all organizations believed to have had data stolen from their private repositories by attackers abusing compromised OAuth user tokens issued to Heroku and Travis-CI.

Nx supply chain attack on Aug 26, 2025 leaked 2,349 secrets via npm packages, risking GitHub and cloud accounts.

Developers from hundreds of companies have included access tokens for their Slack accounts in public projects on GitHub, putting their teams' internal chats and other data at risk.

Multiple high-profile open-source projects, including those from Google, Microsoft, AWS, and Red Hat, were found to leak GitHub authentication tokens through GitHub Actions artifacts in CI/CD ...

For one, it gets around using personal access tokens with Git to push local repositories up to GitHub, as you can use the GitHub CLI application to authenticate your whole system.

GitHub has recently moved to a new format for all of its tokens, including personal access, OAuth access, user-to-server and server-to-server, and refresh tokens. As GitHub engineer Heather Harvey ...

Build artifacts generated by GitHub Actions often contain access tokens that can be abused by attackers to push malicious code into projects or compromise cloud infrastructure.

One of the key benefits to the Bitbucket App Password or the GitHub Access Token is that a user can receive administrative access to Git repositories, but have no rights at all to scripted pipelines, ...