{"id":"MAL-2026-18925","summary":"Malicious code in @zeppeliorg/wbails (npm)","details":"@zeppeliorg/wbails 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) 120363330344810280@newsletter, 120363349140729983@newsletter, 120363400738305381@newsletter, 120363410018949906@newsletter, 120363410614416828@newsletter, 120363418691561888@newsletter and 7 more (stored as base64 strings), using the victim's authenticated session and without telling them. Same behaviour as the PhantomSub family (MAL-2026-17342).","modified":"2026-11-09T23:15:26.931887623Z","published":"2026-10-27T00:00:00Z","database_specific":{"iocs":{"files":[{"digests":{"sha256":"410f16bf8fb9f1dca8f8b2c3da6b50878bdf9a647dca2a556bb5fe58177864ce"},"paths":["lib/Socket/newsletter.js"]},{"digests":{"sha256":"51c1d1d2da0266fe1f05e8ee38a16cd6f07b9fe270823377e2993d8988bba7ff"},"paths":["lib/Socket/newsletter.js"]},{"digests":{"sha256":"58b34fb2025923beeb4adf05bc6342b023329819e1a547d79be6b27e25e50d49"},"paths":["lib/Socket/newsletter.js"]},{"digests":{"sha256":"593328a1dabb15efed795d6f19d67f43a9ae24592018dcd152575d8800c9fb83"},"paths":["lib/Socket/newsletter.js"]},{"paths":["lib/Socket/newsletter.js"],"digests":{"sha256":"5e2175652c0903b7e3772c01e7a927ad7962ee39f6eb9b5091eba7dcb1780f7d"}},{"digests":{"sha256":"74e63f4b2e611da6439de85c4aa1bd925830e804f26d89a0f1d3c57d1bcc0e7e"},"paths":["lib/Socket/newsletter.js"]},{"digests":{"sha256":"799df715c939aafd119be071a4637abc233afc92dfe262a3f037356ff39f4311"},"paths":["lib/Socket/newsletter.js"]},{"digests":{"sha256":"8564d7431b778cca984acac1eee631cf9834d8d863a4484b5d22536d94b9982a"},"paths":["lib/Socket/newsletter.js"]},{"digests":{"sha256":"da42bb01dc5e26fb0254ac4ff5b155742299b453e2249075556b102b335b8e22"},"paths":["lib/Socket/newsletter.js"]}],"ips":[],"urls":[],"domains":[]}},"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/@zeppeliorg/wbails"},{"type":"WEB","url":"https://www.ox.security/blog/phantomsub-malicious-npm-campaign-secretly-adds-users-to-whatsapp-spam-channels/"}],"affected":[{"package":{"name":"@zeppeliorg/wbails","ecosystem":"npm","purl":"pkg:npm/%40zeppeliorg/wbails"},"versions":["1.0.0","1.0.1","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.0.7-beta","1.0.8","1.0.9","1.1.0","1.1.1","1.1.2","1.1.5","1.1.6","1.1.7","1.1.8","1.1.9"],"database_specific":{"cwes":[{"name":"Embedded Malicious Code","cweId":"CWE-506","description":"The product contains code that appears to be malicious in nature."}],"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@zeppeliorg/wbails/MAL-2026-18925.json"}}],"schema_version":"1.9.2","credits":[{"name":"CyberXYZ","contact":["https://cyberxyz.io"],"type":"FINDER"}]}