{"id":"MAL-2026-19059","summary":"Malicious code in @zanxiky/baileys (npm)","details":"Malicious package. `@zanxiky/baileys` is a trojanized fork of the Baileys WhatsApp library (@whiskeysockets/baileys). on connection it issues an authenticated `w:mex` newsletter FOLLOW mutation (query_id 7871414976211147) that silently subscribes every victim to attacker-controlled WhatsApp channels — hardcoded newsletter JIDs: 120363399602691477@newsletter, 120363421563597486@newsletter. Legitimate Baileys never hardcodes a channel JID or auto-follows on connect; all published versions are malicious. Detected by wormsign static analysis of the injected channel-subscription code.","modified":"2026-11-10T05:30:04.768941165Z","published":"2026-11-03T14:15:59Z","database_specific":{"iocs":{}},"references":[{"type":"WEB","url":"https://wormsign.io/portfolio/@zanxiky/baileys/"}],"affected":[{"package":{"name":"@zanxiky/baileys","ecosystem":"npm","purl":"pkg:npm/%40zanxiky%2Fbaileys"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"versions":["0.0.0-stage","1.1.0"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@zanxiky/baileys/MAL-2026-19059.json"}}],"schema_version":"1.9.2","credits":[{"name":"wormsign","contact":["https://x.com/w0rmsign"],"type":"FINDER"}]}