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This blog post will be updated as more details emerge. On Saturday, April 26, 2025, Grafana Labs disclosed that an unauthorized user leveraged a vulnerability in a GitHub Actions workflow within a public Grafana Labs repository.

Send Harden-Runner insights and detections to Amazon S3 for centralized analysis, long-term storage, and seamless integration with your security tools

This post details a vulnerability to bypass Harden-Runner’s disable-sudo policy, the assigned CVE, and the steps we’ve taken to mitigate and detect it.

Strengthen CI/CD security with policy-driven automated pull requests. Automatically remediate misconfigurations in your GitHub Action workflows.

The supply chain compromise of reviewdog GitHub Actions has been resolved. This post summarizes the incident, how it was discovered, and what you should do to protect your workflows

We have concluded our investigation into the tj-actions/changed-files compromise. This post explains how the attack worked, how we detected it, and what steps you should take to secure your CI/CD environment.

We’re excited to announce our integration with RunsOn, the modern way to self-host GitHub Actions runners at scale on AWS, with incredible cost savings and advanced features. With this partnership, StepSecurity Harden-Runner now seamlessly integrates with RunsOn, providing enhanced security and visibility for CI/CD pipelines.

The updates include support for pinning GitHub’s New Immutable Actions, exemptions for pinning specific GitHub Actions, and configuring preferences to use across multiple repositories.