Which versions of libxmljs21471479 are malicious?

The following npm versions of libxmljs21471479 are flagged malicious: 0.30.2. Treat any of these as compromised.

How do I remediate libxmljs21471479 if I installed it?

Remove libxmljs21471479 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 libxmljs21471479 — how do I know if it already compromised me?

If libxmljs21471479 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 libxmljs21471479 part of a known attack campaign?

Yes — libxmljs21471479 is associated with the RLMA-2026-01411 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 libxmljs21471479 across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for libxmljs21471479 (version 0.30.2).

Malicious package

libxmljs21471479npm

Advisory published Mar 18, 2026Updated Mar 23, 2026

libxmljs21471479 is a confirmed malicious npm package (MAL-2026-1778) that executes malicious code on install (malicious version 0.30.2). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in libxmljs21471479 (npm)

MAL-2026-1778

Immediate action

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

npm uninstall libxmljs21471479

What this malware does

The package libxmljs21471479 was found to contain malicious code.

Malicious versions

1 flagged

0.30.2

Indicators of compromise (SHA-256)

4ccb9f0b4512677138a9951a3be6232f4d9970c420d6307cfcb744de87ee865c

20becb9732c887342a3a31ce4c22d3792eaed05d979f224e5e5eaaf2a654fa59

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for libxmljs21471479 (version 0.30.2).
If you installed it — respond
Remove libxmljs21471479 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 libxmljs21471479 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. libxmljs21471479 on npm has been identified as a malicious package (version 0.30.2 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01411

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks libxmljs21471479-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