{"id":"MAL-2026-18823","summary":"Malicious code in @dinzid/bailstaov1 (npm)","details":"@dinzid/bailstaov1 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/messages-recv.js sends the WhatsApp w:mex FOLLOW query for the channel ID(s) 120363408975923153@newsletter, 120363421171049265@newsletter (stored as character-code arrays), using the victim's authenticated session and without telling them. Same behaviour as the PhantomSub family (MAL-2026-17342).","modified":"2026-11-09T23:15:18.663217411Z","published":"2026-10-27T00:00:00Z","database_specific":{"iocs":{"domains":[],"files":[{"paths":["lib/Socket/messages-recv.js"],"digests":{"sha256":"8007b347a931faf7e763824063cbf9cbbc46080e6d527145fa46d1750fa84dec"}}],"ips":[],"urls":[]}},"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/@dinzid/bailstaov1"},{"type":"WEB","url":"https://www.ox.security/blog/phantomsub-malicious-npm-campaign-secretly-adds-users-to-whatsapp-spam-channels/"}],"affected":[{"package":{"name":"@dinzid/bailstaov1","ecosystem":"npm","purl":"pkg:npm/%40dinzid/bailstaov1"},"versions":["0.1.0"],"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/@dinzid/bailstaov1/MAL-2026-18823.json"}}],"schema_version":"1.9.2","credits":[{"name":"CyberXYZ","contact":["https://cyberxyz.io"],"type":"FINDER"}]}