Which versions of @vwfs-uix/core are malicious?

The following npm versions of @vwfs-uix/core are flagged malicious: 99.9.9, 99.9.12. Treat any of these as compromised.

How do I remediate @vwfs-uix/core if I installed it?

Remove @vwfs-uix/core 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 @vwfs-uix/core — how do I know if it already compromised me?

If @vwfs-uix/core 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 @vwfs-uix/core part of a known attack campaign?

Yes — @vwfs-uix/core is associated with the RLMA-2026-04808, RLUA-2026-05942 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 @vwfs-uix/core across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for @vwfs-uix/core (2 malicious versions).

Malicious package

@vwfs-uix/corenpm

Advisory published Jul 7, 2026Updated Sep 1, 2026

@vwfs-uix/core is a confirmed malicious npm package (MAL-2026-7101) that executes malicious code on install (malicious versions 99.9.9, 99.9.12). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @vwfs-uix/core (npm)

MAL-2026-7101

Immediate action

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

npm uninstall @vwfs-uix/core

Malicious versions

2 flagged

99.9.999.9.12

Indicators of compromise (SHA-256)

461ddcbdd04c3f9e0e32a9174ce399c0e9286c1ef81062d8545ad3d6a955d4d4

5ce2d67473e21f4ed107f500118bd7bf55217bfa1a9f6bfed1d4ebb0bdad3ef2

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for @vwfs-uix/core (2 malicious versions).
If you installed it — respond
Remove @vwfs-uix/core 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 @vwfs-uix/core 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. @vwfs-uix/core on npm has been identified as a malicious package (versions 99.9.9, 99.9.12 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-04808RLUA-2026-05942

References

github.com

Credits

ReversingLabs · finder

Detect & block this

O3 blocks @vwfs-uix/core-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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