Which versions of shopify-cli-extensions are malicious?

The following RubyGems versions of shopify-cli-extensions are flagged malicious: 9.9.15. Treat any of these as compromised.

How do I remediate shopify-cli-extensions if I installed it?

Remove shopify-cli-extensions 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.

I already installed shopify-cli-extensions — how do I know if it already compromised me?

If shopify-cli-extensions 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.

Is shopify-cli-extensions part of a known attack campaign?

Yes — shopify-cli-extensions is associated with the RLMA-2026-03283, RLUA-2026-09180 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find shopify-cli-extensions across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for shopify-cli-extensions (version 9.9.15).

Malicious package

shopify-cli-extensionsRubyGems

Advisory published Jul 7, 2026Updated Sep 24, 2026

shopify-cli-extensions is a confirmed malicious RubyGems package (MAL-2026-8632) that executes malicious code on install (malicious version 9.9.15). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in shopify-cli-extensions (RubyGems)

MAL-2026-8632

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

gem uninstall shopify-cli-extensions

Malicious versions

1 flagged

9.9.15

Indicators of compromise (SHA-256)

b99cc34a743cf46641d0cee337c24bd305e66cae121dd594b0cf05ab50526d59

d5bf3993bb0dc4ffe8f5738ea97d065282dfc652cb90c9a7240d4d3870c5258d

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for shopify-cli-extensions (version 9.9.15).
If you installed it — respond
Remove shopify-cli-extensions 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-cli-extensions 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

No. shopify-cli-extensions on RubyGems has been identified as a malicious package (version 9.9.15 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-03283RLUA-2026-09180

References

github.com

Credits

ReversingLabs · finder

Detect & block this

O3 blocks shopify-cli-extensions-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.

Malware detection Runtime egress monitoring

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