Which versions of chai-as-prompt are malicious?

The following npm versions of chai-as-prompt are flagged malicious: 1.2.7. Treat any of these as compromised.

How do I remediate chai-as-prompt if I installed it?

Remove chai-as-prompt 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-as-prompt — how do I know if it already compromised me?

If chai-as-prompt 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-as-prompt part of a known attack campaign?

Yes — chai-as-prompt is associated with the RLMA-2026-01154 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-as-prompt across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for chai-as-prompt (version 1.2.7).

Malicious package

chai-as-promptnpm

Advisory published Mar 18, 2026Updated Mar 23, 2026

chai-as-prompt is a confirmed malicious npm package (MAL-2026-1669) that executes malicious code on install (malicious version 1.2.7). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in chai-as-prompt (npm)

MAL-2026-1669

Immediate action

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

npm uninstall chai-as-prompt

What this malware does

The package chai-as-prompt was found to contain malicious code.

Malicious versions

1 flagged

1.2.7

Indicators of compromise (SHA-256)

1d10941342b130f578fc68404ca5f0971acf1a4d13bca5701cb3be7868b9e9f7

5b773fc994ff2fb27407b9ab4482deb4ab95bf5d772a226a80db73f0e0740b8b

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for chai-as-prompt (version 1.2.7).
If you installed it — respond
Remove chai-as-prompt 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-as-prompt 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-as-prompt on npm has been identified as a malicious package (version 1.2.7 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01154

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks chai-as-prompt-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