{"id":"MAL-2026-19072","kind":"package","aliases":["MAL-2026-19072"],"related":[],"title":"Malicious code in @yshtxxproject/baileys (npm)","description":"Malicious package. `@yshtxxproject/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: 120363403764263127@newsletter, 120363413797603665@newsletter, 120363421563597486@newsletter, 120363423614575184@newsletter. Legitimate Baileys never hardcodes a channel JID or auto-follows on connect; all published versions are malicious.","summary":null,"severity":"critical","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"@yshtxxproject/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":"2026-11-03T14:16:42+00:00","first_seen_at":"2026-11-10T07:19:54+00:00","triaged_at":"2026-11-10T07:20:56+00:00","updated_at":"2026-11-10T07:23:59+00:00","category":"package","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'-19072':8A,11A '-2026':7A,10A '120363403764263127':56C '120363413797603665':58C '120363421563597486':60C '120363423614575184':62C '7871414976211147':41C 'attack':49C 'attacker-control':48C 'authent':33C 'auto':73C 'auto-follow':72C 'bailey':24C,65C 'channel':52C,69C 'code':2A 'connect':29C,76C 'control':50C 'everi':45C 'follow':37C,74C 'fork':21C 'hardcod':53C,67C 'id':40C 'issu':31C 'jid':55C,70C 'legitim':64C 'librari':26C 'mal':6A,9A 'malici':1A,13B,15C,81C 'mex':35C 'mutat':38C 'never':66C 'newslett':36C,54C,57C,59C,61C,63C 'npm':5A 'packag':14B,16C 'publish':78C 'queri':39C 'silent':43C 'subscrib':44C 'trojan':20C 'version':79C 'victim':46C 'w':34C 'whatsapp':25C,51C 'whiskeysockets/baileys':27C 'yshtxxproject/baileys':4A,12A,17C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":null,"audience":null,"plain_action":null,"pkeys":["baileys"],"ptokens":["baileys","yshtxxproject"],"labels":["critical","malicious","npm","package"],"campaign_type":null,"search_a":"'-19072':8A,11A '-2026':7A,10A 'code':2A 'mal':6A,9A 'malici':1A 'npm':5A 'yshtxxproject/baileys':4A,12A","search_b":"'malici':13B 'packag':14B","search_c":"'120363403764263127':56C '120363413797603665':58C '120363421563597486':60C '120363423614575184':62C '7871414976211147':41C 'attack':49C 'attacker-control':48C 'authent':33C 'auto':73C 'auto-follow':72C 'bailey':24C,65C 'channel':52C,69C 'connect':29C,76C 'control':50C 'everi':45C 'follow':37C,74C 'fork':21C 'hardcod':53C,67C 'id':40C 'issu':31C 'jid':55C,70C 'legitim':64C 'librari':26C 'malici':15C,81C 'mex':35C 'mutat':38C 'never':66C 'newslett':36C,54C,57C,59C,61C,63C 'packag':16C 'publish':78C 'queri':39C 'silent':43C 'subscrib':44C 'trojan':20C 'version':79C 'victim':46C 'w':34C 'whatsapp':25C,51C 'whiskeysockets/baileys':27C 'yshtxxproject/baileys':17C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-03T14:16:42+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"osv-malicious","external_id":"MAL-2026-19072","url":"https://osv.dev/vulnerability/MAL-2026-19072","severity":"critical","published_at":"2026-11-03T14:16:42+00:00","modified_at":"2026-11-10T07:00:40+00:00","first_seen_at":"2026-11-10T07:19:54+00:00","fetched_at":"2026-11-10T07:19:54+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"}