Which versions of cardreadermgmtserv are malicious?

The following npm versions of cardreadermgmtserv are flagged malicious: 99.13.9. Treat any of these as compromised.

How do I remediate cardreadermgmtserv if I installed it?

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

If cardreadermgmtserv 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 cardreadermgmtserv part of a known attack campaign?

Yes — cardreadermgmtserv is associated with the RLMA-2026-01907 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 cardreadermgmtserv across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for cardreadermgmtserv (version 99.13.9).

Malicious package

cardreadermgmtservnpm

Advisory published Apr 16, 2026Updated Apr 23, 2026

cardreadermgmtserv is a confirmed malicious npm package (MAL-2026-2738) that executes malicious code on install (malicious version 99.13.9). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in cardreadermgmtserv (npm)

MAL-2026-2738

Immediate action

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

npm uninstall cardreadermgmtserv

What this malware does

The package cardreadermgmtserv was found to contain malicious code.

Malicious versions

1 flagged

99.13.9

Indicators of compromise (SHA-256)

339cf860bd09450f4af1f631e6f9685d33a3961b96a94eb055bec7f8e25fc266

64d14f0e219073de14b84198812815b35769b9d27cc61bf926b9336d3a552d32

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for cardreadermgmtserv (version 99.13.9).
If you installed it — respond
Remove cardreadermgmtserv 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 cardreadermgmtserv 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. cardreadermgmtserv on npm has been identified as a malicious package (version 99.13.9 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01907

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks cardreadermgmtserv-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