{"id":"MAL-2026-19055","kind":"package","aliases":["MAL-2026-19055"],"related":[],"title":"Malicious code in @vanzky/baileys (npm)","description":"Malicious package. `@vanzky/baileys` is a trojanized fork of the Baileys WhatsApp library (@whiskeysockets/baileys). it silently subscribes every victim (via the injected WhatsApp newsletter/channel FOLLOW on connect) to attacker-controlled WhatsApp channels — hardcoded newsletter JIDs: 120363412479307951@newsletter, 120363413713776550@newsletter, 120363429868081610@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.","summary":null,"severity":"critical","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"@vanzky/baileys","note":"all versions","fixed":[],"affected":"","ecosystem":"npm"}],"ecosystems":["npm"],"tags":["malicious","package"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T16:11:56+00:00","first_seen_at":"2026-11-10T00:26:22+00:00","triaged_at":"2026-11-10T00:27:33+00:00","updated_at":"2026-11-10T00:27:33+00:00","category":"package","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'-19055':8A,11A '-2026':7A,10A '120363412479307951':50C '120363413713776550':52C '120363429868081610':54C 'analysi':78C 'attack':43C 'attacker-control':42C 'auto':65C 'auto-follow':64C 'bailey':24C,57C 'channel':46C,61C,83C 'channel-subscript':82C 'code':2A,85C 'connect':40C,68C 'control':44C 'detect':74C 'everi':31C 'follow':38C,66C 'fork':21C 'hardcod':47C,59C 'inject':35C,81C 'jid':49C,62C 'legitim':56C 'librari':26C 'mal':6A,9A 'malici':1A,13B,15C,73C 'never':58C 'newslett':48C,51C,53C,55C 'newsletter/channel':37C 'npm':5A 'packag':14B,16C 'publish':70C 'silent':29C 'static':77C 'subscrib':30C 'subscript':84C 'trojan':20C 'vanzky/baileys':4A,12A,17C 'version':71C 'via':33C 'victim':32C 'whatsapp':25C,36C,45C 'whiskeysockets/baileys':27C 'wormsign':76C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"fix_status":null,"audience":null,"plain_action":null,"pkeys":["baileys"],"ptokens":["baileys","vanzky"],"labels":["critical","malicious","npm","package"],"campaign_type":null,"search_a":"'-19055':8A,11A '-2026':7A,10A 'code':2A 'mal':6A,9A 'malici':1A 'npm':5A 'vanzky/baileys':4A,12A","search_b":"'malici':13B 'packag':14B","search_c":"'120363412479307951':50C '120363413713776550':52C '120363429868081610':54C 'analysi':78C 'attack':43C 'attacker-control':42C 'auto':65C 'auto-follow':64C 'bailey':24C,57C 'channel':46C,61C,83C 'channel-subscript':82C 'code':85C 'connect':40C,68C 'control':44C 'detect':74C 'everi':31C 'follow':38C,66C 'fork':21C 'hardcod':47C,59C 'inject':35C,81C 'jid':49C,62C 'legitim':56C 'librari':26C 'malici':15C,73C 'never':58C 'newslett':48C,51C,53C,55C 'newsletter/channel':37C 'packag':16C 'publish':70C 'silent':29C 'static':77C 'subscrib':30C 'subscript':84C 'trojan':20C 'vanzky/baileys':17C 'version':71C 'via':33C 'victim':32C 'whatsapp':25C,36C,45C 'whiskeysockets/baileys':27C 'wormsign':76C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-02T16:11:56+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"osv-malicious","external_id":"MAL-2026-19055","url":"https://osv.dev/vulnerability/MAL-2026-19055","severity":"critical","published_at":"2026-11-02T16:11:56+00:00","modified_at":"2026-11-10T00:00:06+00:00","first_seen_at":"2026-11-10T00:26:22+00:00","fetched_at":"2026-11-10T00:26:22+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}