Which versions of @yshtxxproject/baileys are malicious?

The following npm versions of @yshtxxproject/baileys are flagged malicious: 0.0.0-stage, 0.0.1. Treat any of these as compromised.

How do I remediate @yshtxxproject/baileys if I installed it?

Remove @yshtxxproject/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 @yshtxxproject/baileys — how do I know if it already compromised me?

If @yshtxxproject/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 @yshtxxproject/baileys across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for @yshtxxproject/baileys (2 malicious versions).

Malicious package

@yshtxxproject/baileysnpm

Advisory published Nov 3, 2026Updated Nov 10, 2026

@yshtxxproject/baileys is a confirmed malicious npm package (MAL-2026-19072) that executes malicious code on install (malicious versions 0.0.0-stage, 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @yshtxxproject/baileys (npm)

MAL-2026-19072

Immediate action

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

npm uninstall @yshtxxproject/baileys

What this malware does

Malicious package. @yshtxxproject/baileys is a trojanized fork of the Baileys WhatsApp library (@whiskeysockets/baileys). on connection it issues an authenticated w:mex newsletter FOLLOW mutation (query_id 7871414976211147) that silently subscribes every victim to attacker-controlled WhatsApp channels — hardcoded newsletter JIDs: 120363403764263127@newsletter, 120363413797603665@newsletter, 120363421563597486@newsletter, 120363423614575184@newsletter. Legitimate Baileys never hardcodes a channel JID or auto-follows on connect; all published versions are malicious.

Malicious versions

2 flagged

0.0.0-stage0.0.1

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for @yshtxxproject/baileys (2 malicious versions).
If you installed it — respond
Remove @yshtxxproject/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 @yshtxxproject/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. @yshtxxproject/baileys on npm has been identified as a malicious package (versions 0.0.0-stage, 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

References

wormsign.io

Credits

wormsign · finder

Detect & block this

O3 blocks @yshtxxproject/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

Explore

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