{"id":"MAL-2026-19029","summary":"Malicious code in vinzz-baileys (npm)","details":"vinzz-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) 120363400738305381@newsletter, 120363420757607688@newsletter, 120363422701490267@newsletter, 120363425000320171@newsletter (stored as base64 strings) and a list downloaded at runtime from https://raw.githubusercontent.com/VinzzOfficial/VinzzNewsleter/refs/heads/main/idch.json, using the victim's authenticated session and without telling them. Same behaviour as the PhantomSub family (MAL-2026-17342).","modified":"2026-11-09T23:15:37.947978946Z","published":"2026-10-27T00:00:00Z","database_specific":{"iocs":{"urls":["https://raw.githubusercontent.com/VinzzOfficial/VinzzNewsleter/refs/heads/main/idch.json"],"domains":["raw.githubusercontent.com"],"files":[{"paths":["lib/Socket/newsletter.js"],"digests":{"sha256":"72965b92e8d432f76587c37e6d9ca363a3cb45582a53d598076b697a7ddf795b"}}],"ips":[]}},"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/vinzz-baileys"},{"type":"WEB","url":"https://www.ox.security/blog/phantomsub-malicious-npm-campaign-secretly-adds-users-to-whatsapp-spam-channels/"}],"affected":[{"package":{"name":"vinzz-baileys","ecosystem":"npm","purl":"pkg:npm/vinzz-baileys"},"versions":["1.0.0"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/vinzz-baileys/MAL-2026-19029.json","cwes":[{"name":"Embedded Malicious Code","cweId":"CWE-506","description":"The product contains code that appears to be malicious in nature."}]}}],"schema_version":"1.9.2","credits":[{"name":"CyberXYZ","contact":["https://cyberxyz.io"],"type":"FINDER"}]}