Which versions of react-appfabric-shell are malicious?

The following npm versions of react-appfabric-shell are flagged malicious: 0.6.0, 0.6.1, 0.6.2, 0.6.3. Treat any of these as compromised.

How do I remediate react-appfabric-shell if I installed it?

Remove react-appfabric-shell 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 react-appfabric-shell — how do I know if it already compromised me?

If react-appfabric-shell 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 react-appfabric-shell part of a known attack campaign?

Yes — react-appfabric-shell is associated with the RLMA-2026-02028 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 react-appfabric-shell across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for react-appfabric-shell (4 malicious versions).

Malicious package

react-appfabric-shellnpm

Advisory published Apr 16, 2026Updated Apr 23, 2026

react-appfabric-shell is a confirmed malicious npm package (MAL-2026-2795) that executes malicious code on install (malicious versions 0.6.0, 0.6.1, 0.6.2…). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in react-appfabric-shell (npm)

MAL-2026-2795

Immediate action

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

npm uninstall react-appfabric-shell

What this malware does

The package react-appfabric-shell was found to contain malicious code.

Malicious versions

4 flagged

0.6.00.6.10.6.20.6.3

Indicators of compromise (SHA-256)

f690aa4ff36661884e11d98ea090c5ef4a8b5dca28e16867667ec6623a824d5e

2a524b70e3efe81a382327e73d51cabb650ed488156ac7dbe61d61fcbcff68f8

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for react-appfabric-shell (4 malicious versions).
If you installed it — respond
Remove react-appfabric-shell 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 react-appfabric-shell 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. react-appfabric-shell on npm has been identified as a malicious package (versions 0.6.0, 0.6.1, 0.6.2, 0.6.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-02028

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks react-appfabric-shell-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

Explore

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