{"id":"MAL-2026-19030","summary":"Malicious code in vinzzknight (npm)","details":"vinzzknight 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 a list downloaded at runtime from https://raw.githubusercontent.com/VinzzOfficial/Baileys/main/WAProto/id-channel/idch.json, https://raw.githubusercontent.com/VinzzOfficial/Baileys/main/WAProto/id-channel/idgc.json, https://raw.githubusercontent.com/VinzzOfficial/Baileys/main/WAProto/wa-id/idch.json and 1 more, using the victim's authenticated session and without telling them. Same behaviour as the PhantomSub family (MAL-2026-17342).","modified":"2026-11-09T23:15:34.528506902Z","published":"2026-10-27T00:00:00Z","database_specific":{"iocs":{"domains":["raw.githubusercontent.com"],"files":[{"digests":{"sha256":"88608570874bd5370d63ed559417ac60b90d1308e6de03e2a67347576f86d313"},"paths":["lib/Socket/newsletter.js"]},{"paths":["lib/Socket/newsletter.js"],"digests":{"sha256":"bdb53234ba56611ff977bb19725b997c216576b007e853f9f708f742c4340fdd"}}],"ips":[],"urls":["https://raw.githubusercontent.com/VinzzOfficial/Baileys/main/WAProto/id-channel/idch.json","https://raw.githubusercontent.com/VinzzOfficial/Baileys/main/WAProto/id-channel/idgc.json","https://raw.githubusercontent.com/VinzzOfficial/Baileys/main/WAProto/wa-id/idch.json","https://raw.githubusercontent.com/VinzzOfficial/Baileys/main/WAProto/wa-id/idgc.json"]}},"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/vinzzknight"},{"type":"WEB","url":"https://www.ox.security/blog/phantomsub-malicious-npm-campaign-secretly-adds-users-to-whatsapp-spam-channels/"}],"affected":[{"package":{"name":"vinzzknight","ecosystem":"npm","purl":"pkg:npm/vinzzknight"},"versions":["1.0.2","1.0.3","1.0.4"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/vinzzknight/MAL-2026-19030.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"}]}