shopify-app-extension-templatenpm
Advisory published Updated
shopify-app-extension-template is a confirmed malicious npm package (MAL-2026-3051) that executes malicious code on install (malicious version 1.0.2). Do not install it — remove it immediately and rotate any exposed credentials.
Malicious code in shopify-app-extension-template (npm)
What this malware does
The package shopify-app-extension-template was found to contain malicious code.
The OpenSSF Package Analysis project identified 'shopify-app-extension-template' @ 1.0.2 (npm) as malicious.
It is considered malicious because:
-
The package communicates with a domain associated with malicious activity.
-
The package executes one or more commands associated with malicious behavior.
Malicious versions
Indicators of compromise (SHA-256)
Detection & response playbook
Malicious packageFind it
Search your lockfiles and build artifacts for shopify-app-extension-template (version 1.0.2).
If you installed it — respond
Remove shopify-app-extension-template from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.
Did it already run?
If shopify-app-extension-template was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.
Frequently asked questions
Credits
- Amazon Inspector · finder
- OpenSSF: Package Analysis · finder
Detect & block this
O3 blocks shopify-app-extension-template-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.