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OpenAdvisories
Malicious MAL-2026-19003

queenjusmy-baileys-v1

npm package · versions 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.8, 1.0.9

Reported Oct 27, 2026 · Updated Nov 9, 2026

If this package is installed

Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.

Details

queenjusmy-baileys-v1 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) 120363349457176430@newsletter, 120363400706010828@newsletter, 120363421052027188@newsletter, 120363423257544642@newsletter (stored as base64 strings), using the victim's authenticated session and without telling them. Same behaviour as the PhantomSub family (MAL-2026-17342).