Detecting and Remediating the Shai-Hulud NPM Attack

Name: Detecting and Remediating the Shai-Hulud NPM Attack
Uploaded: 2026-07-14T16:19:04-04:00
Duration: 2 min 41 s
Description: Use Snyk for free to find and fix security issues in your applications today! https://snyk.co/ugLYn ✍️ Resources ✍️ - Snyk Blog: https://snyk.co/shai-hulud - Snyk Advisor: https://snyk.co/advisor ⚒️ About Snyk ⚒️ Snyk helps you find and fix vulnerabili...

Snyk

07/14/2026

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going under the name of ShyHalud. This is impacting hundreds of NPM packages as the attack behaves as a worm-like malware that spreads to more packages over time. It is an ongoing incident that the Snyk security research team is monitoring and providing updates on as more information is confirmed. If you're wondering if and how you might be impacted by this attack, I'm gonna show you how to do that right now. One of the quickest ways to identify this zero-day vulnerability across all your projects is through Snyk's featured zero-day report. You can access it via the reports view, switching the report from the change report dropdown and selecting featured zero-day report. And by default, you should see that the ShyHalud NPM supply chain attack option is selected but if not, you can open up this dropdown here and select it as well. Once that report is run, you'll see whether or not you have any open issues remaining that are related to the zero-day vulnerability. In this case, we can see I have one project that is impacted by this as we scroll down and it can see the specific issues related to it. If I click on the project, that'll bring me to this view here, the package JSON for that project and show me exactly how this vulnerability is being introduced into my project. In this case, it is this native script community NPM package. Now, in some cases, there will be a remediation path for you to fix and a new version of that package to upgrade to. And in other cases, you might see something like this that I have here, no remediation path available. In those cases, what that means, likely means rather, is that NPM removed that vulnerable version from the registry to prevent you from installing that version any further. So what you can do to take proactive action in this situation is look for the previous non-vulnerable version of that package in the project and you can leverage Snyk Advisor to help you with that. Over at Snyk Advisor, which is snyk.io slash advisor, you can paste in the package name that you have here and just search for it under the NPM option, find the exact match, which should be the first option here and you scroll down and you'll see, in this case, I have a version 6.0.5 that I can pin to. Now, the key there is to pin to that version while this attack is actively ongoing so you don't accidentally upgrade again to a newer version that might be malicious as well in this situation. After that, you can check out our blog post that we have on here that is actively being updated. In the blog, you'll find further details in the detection and triage section as well as the immediate containment and remediation section. Using this information, you'll be able to report back internally to indicate whether your company is impacted by this attack and what remediation actions you're taking to resolve the issue while preventing further compromise. Be sure to check back often to the blog post for any updates from Snyk.

TL;DR

Shai-Hulud is an active NPM supply chain attack behaving as worm-like malware that spreads across packages, currently impacting hundreds of NPM packages with ongoing monitoring by Snyk's security research team.
Snyk's featured zero-day report provides rapid identification of affected projects across your entire codebase, accessible through the reports view with specific filtering for the Shai-Hulud attack.
When NPM removes vulnerable versions from the registry and no automated remediation path exists, use Snyk Advisor to identify safe previous package versions and implement version pinning to prevent accidental upgrades to compromised versions.

Summary

This tutorial demonstrates how to use Snyk's security platform to detect and remediate the Shai-Hulud NPM supply chain attack, an active worm-like malware spreading across hundreds of NPM packages. The video walks through Snyk's featured zero-day report functionality, which allows security teams to quickly identify affected projects across their entire codebase. When remediation paths are unavailable due to NPM removing malicious package versions from the registry, the demonstration shows how to use Snyk Advisor to identify safe previous versions and implement version pinning as a containment strategy. The tutorial emphasizes the importance of monitoring Snyk's actively updated blog post for the latest threat intelligence and remediation guidance as this ongoing incident evolves.

Chapters

0:00 - Shai-Hulud Attack Overview
0:22 - Using Featured Zero-Day Report
1:02 - Identifying Affected Projects
1:37 - Remediation with Snyk Advisor

Key Quotes

0:00 "There's currently an active NPM supply chain attack going under the name of ShyHalud. This is impacting hundreds of NPM packages as the attack behaves as a worm-like malware that spreads to more packages over time."
1:28 "In those cases, what that means, likely means rather, is that NPM removed that vulnerable version from the registry to prevent you from installing that version any further."
2:06 "The key there is to pin to that version while this attack is actively ongoing so you don't accidentally upgrade again to a newer version that might be malicious as well in this situation."

FAQ

What should I do if Snyk shows 'no remediation path available' for an affected package?

This typically means NPM has removed the vulnerable version from the registry. Use Snyk Advisor to find the most recent non-vulnerable version of the package, then manually pin to that specific version in your package.json to prevent automatic upgrades to potentially compromised newer versions while the attack is ongoing.

How can I quickly check if my organization is affected by the Shai-Hulud attack?

Access Snyk's featured zero-day report through the reports view, select 'featured zero-day report' from the dropdown, and ensure the Shai-Hulud NPM supply chain attack option is selected. The report will show all affected projects and specific vulnerable dependencies across your organization.

Categories:

» Cybersecurity » Application Security
» Data Protection

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