Which versions of actions-label-commenter are malicious?

The following npm versions of actions-label-commenter are flagged malicious: 0.0.1. Treat any of these as compromised.

How do I remediate actions-label-commenter if I installed it?

Remove actions-label-commenter 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 actions-label-commenter — how do I know if it already compromised me?

If actions-label-commenter 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 actions-label-commenter part of a known attack campaign?

Yes — actions-label-commenter is associated with the RLMA-2026-01877 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 actions-label-commenter across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for actions-label-commenter (version 0.0.1).

Malicious package

actions-label-commenternpm

Advisory published Apr 16, 2026Updated Apr 23, 2026

actions-label-commenter is a confirmed malicious npm package (MAL-2026-2723) that executes malicious code on install (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in actions-label-commenter (npm)

MAL-2026-2723

Immediate action

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

npm uninstall actions-label-commenter

What this malware does

The package actions-label-commenter was found to contain malicious code.

Malicious versions

1 flagged

0.0.1

Indicators of compromise (SHA-256)

463e25622f371f592f1ba01958dc793b744aada4ef48f37ded71e21b0ba91f99

d0834799a232c7e018eda35f3042f85750f8155d2ec47e2f935389be689671cf

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for actions-label-commenter (version 0.0.1).
If you installed it — respond
Remove actions-label-commenter 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 actions-label-commenter 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. actions-label-commenter on npm has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01877

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks actions-label-commenter-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