Which versions of chai-chain-argon are malicious?

The following npm versions of chai-chain-argon are flagged malicious: 3.5.7. Treat any of these as compromised.

How do I remediate chai-chain-argon if I installed it?

Remove chai-chain-argon 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 chai-chain-argon — how do I know if it already compromised me?

If chai-chain-argon 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 chai-chain-argon part of a known attack campaign?

Yes — chai-chain-argon is associated with the RLMA-2026-01723 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 chai-chain-argon across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for chai-chain-argon (version 3.5.7).

Malicious package

chai-chain-argonnpm

Advisory published Mar 24, 2026Updated Apr 7, 2026

chai-chain-argon is a confirmed malicious npm package (MAL-2026-2340) that executes malicious code on install (malicious version 3.5.7). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in chai-chain-argon (npm)

MAL-2026-2340

Immediate action

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

npm uninstall chai-chain-argon

What this malware does

The package chai-chain-argon was found to contain malicious code.

Malicious versions

1 flagged

3.5.7

Indicators of compromise (SHA-256)

ffc4585bfabe6a3ecbcbb21649b1b053e66fe2375fab73bdcf2caae9181e826e

843de6d2665a1833194793cfe05d91e35574e922fbb24cc0879c32352189a29c

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for chai-chain-argon (version 3.5.7).
If you installed it — respond
Remove chai-chain-argon 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 chai-chain-argon 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. chai-chain-argon on npm has been identified as a malicious package (version 3.5.7 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01723

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks chai-chain-argon-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

All malware advisories How O3 detects malware Vulnerability database