Vulnerability MAL-2026-18684
Unknown
UNKNOWN RISK
Vulnerabilities without an assigned CVSS score. Severity is not determinable from available data.
10 days ago
October 26, 2026 at 12:00 AM UTC
Malicious code in @zyrennofficiall/baileys (npm)
5.1.0 - 5.5.0
5.1.0 - 5.5.0
Summary
Malicious code in @zyrennofficiall/baileys (npm)
Details
@zyrennofficiall/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. A timer started when the socket connects, in lib/Socket/newsletter.js, sends the WhatsApp w:mex FOLLOW query for the channel ID(s) 120363408893555851@newsletter, 120363426470081124@newsletter, 120363427718144294@newsletter (stored base64-encoded), using the victim's authenticated session and without telling them. This is separate from the update-channel follow the package announces in lib/Socket/index.js. Same behaviour as the PhantomSub family (MAL-2026-17342).
References
Impacted packages
Timeline
Published
10 days ago
October 26, 2026 at 12:00 AM UTC
Last Modified
3 hours ago
November 05, 2026 at 05:15 AM UTC