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A forged commit. A workflow file disguised as a routine CI optimization. Within 6 hours, 5,561 GitHub repositories were backdoored. Cloud credentials harvested. SSH keys stolen. OIDC tokens minted and exfiltrated before any runner finished. The attacker never touched your application code, only your pipeline. Most repositories had no idea it happened.

A poisoned VS Code extension breached GitHub. A trojanized PyPI package hit Microsoft. Compromised GitHub Actions and a self-spreading npm worm targeted thousands more. In just 48 hours, attackers hit every layer of the software development pipeline. Traditional security tools did not stop any of it.

Three malicious versions of Microsoft's official durabletask Python SDK were published to PyPI on May 19, 2026. The compromised package silently downloads and executes a 28 KB payload that steals credentials from AWS, Azure, GCP, Kubernetes, password managers, and over 90 developer tool configurations, then spreads laterally through cloud infrastructure. The payload skips systems with a Russian locale, a hallmark of Eastern European cybercrime operations. The attack has been linked to the TeamPCP threat group behind the Mini Shai-Hulud campaign.

A new wave of the Mini Shai-Hulud worm has compromised packages across Alibaba's AntV data visualization ecosystem, echarts-for-react, timeago.js, and dozens more. Stolen CI/CD secrets are being dumped to thousands of public GitHub repositories as the attack continues to spread.

The popular GitHub Action actions-cool/issues-helper has been compromised. Every existing tag in the repository has been moved to point to a single imposter commit that does not appear in the action's normal commit history. That commit contains malicious code that exfiltrates credentials from CI/CD pipelines that run the action.

Version 18.95.0 of the popular Nx Console extension (2.2M+ installs) was published with malicious code targeting developer credentials, cloud infrastructure tokens, and CI/CD secrets.

Active Supply Chain Attack: Malicious node-ipc Versions Published to npm StepSecurity has detected multiple malicious releases of the popular node-ipc npm package. Three versions are currently known to be compromised, containing an obfuscated payload designed to steal cloud credentials, SSH keys, and CI/CD secrets. Our team is actively analyzing the attack, and this post will be updated as our investigation progresses

Introducing Secure Registry by StepSecurity: install-time defense for the npm supply chain. Block malicious packages, enforce package cooldowns, and protect CI/CD pipelines, developer machines, and artifact managers from modern software supply chain attacks.