Which versions of chai-chain-coremesh are malicious?

The following npm versions of chai-chain-coremesh are flagged malicious: 2.4.5. Treat any of these as compromised.

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

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

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

Yes — chai-chain-coremesh is associated with the RLMA-2026-01917 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-coremesh across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for chai-chain-coremesh (version 2.4.5).

Malicious package

chai-chain-coremeshnpm

Advisory published Apr 16, 2026Updated Apr 23, 2026

chai-chain-coremesh is a confirmed malicious npm package (MAL-2026-2741) that executes malicious code on install (malicious version 2.4.5). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in chai-chain-coremesh (npm)

MAL-2026-2741

Immediate action

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

npm uninstall chai-chain-coremesh

What this malware does

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

Malicious versions

1 flagged

2.4.5

Indicators of compromise (SHA-256)

0090f197846ca69d0d7e28752c0054be943f8344dab59129e9c115f84fb21a75

0998d78c57b51efc4ff5789a97e24374a9f1a3ea3d50422802d4f0b189473877

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for chai-chain-coremesh (version 2.4.5).
If you installed it — respond
Remove chai-chain-coremesh 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-coremesh 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-coremesh on npm has been identified as a malicious package (version 2.4.5 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01917

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks chai-chain-coremesh-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