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The official Xygeni GitHub Action (xygeni-action) was compromised on March 3, 2026, when an attacker using stolen maintainer credentials injected a full C2 reverse shell backdoor and silently moved the mutable v5 tag to the malicious commit - affecting all repositories referencing @v5 without any visible change to their workflow files. The v5 tag remains poisoned as of March 9; users should immediately pin to v6.4.0 or a specific commit SHA, and StepSecurity's Harden-Runner would have detected and blocked the C2 callback to 91.214.78.178.
On March 5, 2026, a threat actor exploited a classic "Pwn Request" vulnerability in the CI workflow of kubernetes-el/kubernetes-el, a popular Emacs package for managing Kubernetes clusters. The attacker stole the repository's GITHUB_TOKEN (with full write permissions), exfiltrated CI/CD secrets, defaced the repository, and injected destructive code
Datadog's State of DevSecOps 2026 report confirms what StepSecurity has been warning about for years: CI/CD pipelines and GitHub Actions are prime targets for supply chain attacks. Learn how StepSecurity's platform directly mitigates every major risk identified in the report, from unpinned actions to day-of-release dependencies.
A week-long automated attack campaign targeted CI/CD pipelines across major open source repositories, achieving remote code execution in multiple targets. The attacker, an autonomous bot called hackerbot-claw, used 5 different exploitation techniques and successfully exfiltrated a GitHub token with write permissions from one of the most popular repositories on GitHub. This post breaks down each attack, shows the evidence, and explains what you can do to protect your workflows.
StepSecurity AI Package Analyst detected 70+ ghost releases across npm's most trusted TypeScript packages.
Harden Runner now supports Windows and macOS GitHub Actions runners, delivering EDR-level runtime security across Linux, Windows, and macOS CI/CD pipelines
AI coding agents install packages, create pull requests, push commits, and run autonomously in CI/CD pipelines. Here's how to secure every stage of that workflow
StepSecurity' detected that cline@2.3.0 was published with a malicious post-install script that silently installs OpenClaw on any machine running npm install. Here's how the attack worked, how we caught it, and what you should do if you're affected.
