Which versions of shadowmd-baileys are malicious?

The following npm versions of shadowmd-baileys are flagged malicious: 8.6.49, 8.6.50, 8.6.51, 8.6.52, 8.6.54, 8.6.55, 8.6.56, 8.6.57, 8.6.59, 8.6.90, 8.6.91. Treat any of these as compromised.

How do I remediate shadowmd-baileys if I installed it?

Remove shadowmd-baileys 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 shadowmd-baileys — how do I know if it already compromised me?

If shadowmd-baileys 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.

How do I find shadowmd-baileys across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for shadowmd-baileys (11 malicious versions).

Malicious package

shadowmd-baileysnpm

Advisory published Oct 27, 2026Updated Nov 9, 2026

shadowmd-baileys is a confirmed malicious npm package (MAL-2026-19014) that executes malicious code on install (malicious versions 8.6.49, 8.6.50, 8.6.51…). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in shadowmd-baileys (npm)

MAL-2026-19014

Immediate action

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

npm uninstall shadowmd-baileys

What this malware does

shadowmd-baileys is a fork of the Baileys WhatsApp Web library that silently subscribes the installer's own WhatsApp account to WhatsApp Channels chosen by the publisher. When the socket connects, code in lib/Socket/newsletter.js sends the WhatsApp w:mex FOLLOW query for the channel ID(s) 120363407277177688@newsletter, 120363423975826201@newsletter, using the victim's authenticated session and without telling them. Same behaviour as the PhantomSub family (MAL-2026-17342).

Malicious versions

11 flagged

8.6.498.6.508.6.518.6.528.6.548.6.558.6.568.6.578.6.598.6.908.6.91

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for shadowmd-baileys (11 malicious versions).
If you installed it — respond
Remove shadowmd-baileys 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 shadowmd-baileys 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. shadowmd-baileys on npm has been identified as a malicious package (versions 8.6.49, 8.6.50, 8.6.51, 8.6.52, 8.6.54, 8.6.55, 8.6.56, 8.6.57, and 3 more flagged). It should be removed immediately — do not install or keep it in your dependency tree.

References

Credits

CyberXYZ · finder

Detect & block this

O3 blocks shadowmd-baileys-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

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