GitHub Supply Chain Attack: CVE-2025-30066 and CVE-2025-30154 Expose Secrets Across 218 Repositories
A major supply chain attack has exposed sensitive CI/CD secrets in GitHub Action tj-actions/changed-files, known as CVE-2025-30066, across 218 repositories. This incident has raised significant concerns about security and is connected to an earlier attack on the other GitHub Action, reviewdog/action-setup@v1, tracked as CVE-2025-30154. While only 4% of the 5,416 repositories that were affected had secrets leaked, the damage is severe.