{"id":"MAL-2026-18668","kind":"package","aliases":["MAL-2026-18668"],"related":[],"title":"Malicious code in wet_rat_replicate_automation (npm)","description":"Part of a self-republishing campaign: the package ships autopublish2.js, which in a loop gives the package a new random name, bumps its version, rewrites package.json and runs `npm publish` to publish the package again under the new name. Self-replicating publication is the propagation step of a registry worm and fills the registry with copies. Version examined: 2.3.1; tarball SHA-256 4e7250a12081880b7781ba4a3a0c912fa5347bbbcb3046b039c7459f284085de.","summary":null,"severity":"critical","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"wet_rat_replicate_automation","fixed":[],"affected":"= 2.3.1","ecosystem":"npm"}],"ecosystems":["npm"],"tags":["malicious","package"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T22:34:49+00:00","first_seen_at":"2026-11-05T04:31:46+00:00","triaged_at":"2026-11-05T04:33:34+00:00","updated_at":"2026-11-05T04:35:24+00:00","category":"package","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'-18668':11A,14A '-2026':10A,13A '-256':84C '2.3.1':81C '4e7250':85C 'a12081880b7781ba4a3a0c912fa5347bbbcb3046b039c7459f284085de':86C 'autom':7A 'automation':18A 'autopublish2.js':31C 'bump':43C 'campaign':27C 'code':2A 'copi':78C 'examin':80C 'fill':74C 'give':36C 'loop':35C 'mal':9A,12A 'malici':1A,19B 'name':42C,60C 'new':40C,59C 'npm':8A,50C 'packag':20B,29C,38C,55C 'package.json':47C 'part':21C 'propag':67C 'public':64C 'publish':51C,53C 'random':41C 'rat':5A,16A 'registri':71C,76C 'replic':6A,63C 'replicate':17A 'republish':26C 'rewrit':46C 'run':49C 'self':25C,62C 'self-repl':61C 'self-republish':24C 'sha':83C 'ship':30C 'step':68C 'tarbal':82C 'version':45C,79C 'wet':4A,15A 'worm':72C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":null,"audience":null,"plain_action":null,"pkeys":["wetratreplicateautomation"],"ptokens":["automation","rat","replicate","wet"],"labels":["critical","malicious","npm","package"],"campaign_type":null,"first_public_at":"2026-11-02T22:34:49+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"osv-malicious","external_id":"MAL-2026-18668","url":"https://osv.dev/vulnerability/MAL-2026-18668","severity":"critical","published_at":"2026-11-02T22:34:49+00:00","modified_at":"2026-11-05T04:15:04+00:00","first_seen_at":"2026-11-05T04:31:46+00:00","fetched_at":"2026-11-05T04:31:46+00:00","note":null}],"documents":[],"exploit_sources":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}