Vulnerability MAL-2026-18861

Unknown
UNKNOWN RISK
Vulnerabilities without an assigned CVSS score. Severity is not determinable from available data.
14 days ago
October 27, 2026 at 12:00 AM UTC
Malicious code in @langitdeveloper/baileys (npm)
2.0.3 - 2.1.7 and 2.1.9 - 2.2.6
2.0.3 - 2.1.7 and 2.1.9 - 2.2.6

Summary

Malicious code in @langitdeveloper/baileys (npm)

Details

@langitdeveloper/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) 120363418090359162@newsletter, 120363426930096454@newsletter and a list downloaded at runtime from https://raw.githubusercontent.com/FadelSM/IDCH/refs/heads/main/idch.json, using the victim's authenticated session and without telling them. Same behaviour as the PhantomSub family (MAL-2026-17342).

Impacted packages

Timeline

Published
14 days ago
October 27, 2026 at 12:00 AM UTC
Last Modified
4 hours ago
November 09, 2026 at 11:15 PM UTC