{"id":"MAL-2026-18941","summary":"Malicious code in baileys-mood (npm)","details":"baileys-mood 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) 120363311609903865@newsletter, 120363400297473298@newsletter, 120363402019414675@newsletter, 120363404446053939@newsletter, 120363419967954188@newsletter, 120363420456838680@newsletter and 5 more, using the victim's authenticated session and without telling them. Same behaviour as the PhantomSub family (MAL-2026-17342).","modified":"2026-11-09T23:15:27.045574222Z","published":"2026-10-27T00:00:00Z","database_specific":{"iocs":{"urls":[],"domains":[],"files":[{"paths":["lib/Socket/newsletter.js"],"digests":{"sha256":"463aacffe1a88ba06c13a41480406dc3727a926ea4bcbdccc34ef62d814be214"}}],"ips":[]}},"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/baileys-mood"},{"type":"WEB","url":"https://www.ox.security/blog/phantomsub-malicious-npm-campaign-secretly-adds-users-to-whatsapp-spam-channels/"}],"affected":[{"package":{"name":"baileys-mood","ecosystem":"npm","purl":"pkg:npm/baileys-mood"},"versions":["0.5.0","0.5.1"],"database_specific":{"cwes":[{"description":"The product contains code that appears to be malicious in nature.","name":"Embedded Malicious Code","cweId":"CWE-506"}],"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/baileys-mood/MAL-2026-18941.json"}}],"schema_version":"1.9.2","credits":[{"name":"CyberXYZ","contact":["https://cyberxyz.io"],"type":"FINDER"}]}