Which versions of vite-chunk-tools are malicious?

The following npm versions of vite-chunk-tools are flagged malicious: 1.0.3. Treat any of these as compromised.

How do I remediate vite-chunk-tools if I installed it?

Remove vite-chunk-tools 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 vite-chunk-tools — how do I know if it already compromised me?

If vite-chunk-tools 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 vite-chunk-tools part of a known attack campaign?

Yes — vite-chunk-tools is associated with the RLMA-2025-05550, RLUA-2025-05980 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 vite-chunk-tools across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for vite-chunk-tools (version 1.0.3).

Malicious package

vite-chunk-toolsnpm

Advisory published Oct 23, 2025Updated Dec 2, 2025

vite-chunk-tools is a confirmed malicious npm package (MAL-2025-48884) that executes malicious code on install (malicious version 1.0.3). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in vite-chunk-tools (npm)

MAL-2025-48884

Immediate action

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

npm uninstall vite-chunk-tools

Malicious versions

1 flagged

1.0.3

Indicators of compromise (SHA-256)

c2daece8f2e5ad2f5299d679fd86622ea34470170e6d55639b42b97aa8636688

cb7cb1d3aee5ed9d94f518f4e0ee21dc86e59a43d1fa1d9b73f15920d0e7c94a

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for vite-chunk-tools (version 1.0.3).
If you installed it — respond
Remove vite-chunk-tools 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 vite-chunk-tools 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. vite-chunk-tools on npm has been identified as a malicious package (version 1.0.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-05550RLUA-2025-05980

References

Credits

ReversingLabs · finder

Detect & block this

O3 blocks vite-chunk-tools-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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