{"id":"MAL-2026-18853","summary":"Malicious code in @kaelllovemamah/bails (npm)","details":"@kaelllovemamah/bails 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/socket.js sends the WhatsApp w:mex FOLLOW query for the channel ID(s) 120363410711949826@newsletter, using the victim's authenticated session and without telling them. Same behaviour as the PhantomSub family (MAL-2026-17342).","modified":"2026-11-09T23:15:22.436853186Z","published":"2026-10-27T00:00:00Z","database_specific":{"iocs":{"ips":[],"urls":[],"domains":[],"files":[{"digests":{"sha256":"11cc6b54e921c4bb02da80d7e10aba251da70a0628288d1c1daecc342880e738"},"paths":["lib/Socket/socket.js"]}]}},"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/@kaelllovemamah/bails"},{"type":"WEB","url":"https://www.ox.security/blog/phantomsub-malicious-npm-campaign-secretly-adds-users-to-whatsapp-spam-channels/"}],"affected":[{"package":{"name":"@kaelllovemamah/bails","ecosystem":"npm","purl":"pkg:npm/%40kaelllovemamah/bails"},"versions":["1.0.0"],"database_specific":{"cwes":[{"cweId":"CWE-506","description":"The product contains code that appears to be malicious in nature.","name":"Embedded Malicious Code"}],"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@kaelllovemamah/bails/MAL-2026-18853.json"}}],"schema_version":"1.9.2","credits":[{"name":"CyberXYZ","contact":["https://cyberxyz.io"],"type":"FINDER"}]}