{"id":"MAL-2026-18667","kind":"package","aliases":["MAL-2026-18667"],"related":[],"title":"Malicious code in unemployed_xerinae-toolteadev (npm)","description":"Part of a self-republishing campaign: the package ships auto.js, which in a loop gives the package a new random name, 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: 1.4.4; tarball SHA-256 d7a004f21796f6884acc016de74cb95c0db3e7e8b5220b38b15cf40befdadaa0.","summary":null,"severity":"critical","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"unemployed_xerinae-toolteadev","fixed":[],"affected":"= 1.4.4","ecosystem":"npm"}],"ecosystems":["npm"],"tags":["malicious","package"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T22:42:17+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":"'-18667':11A,14A '-2026':10A,13A '-256':81C '1.4.4':78C 'auto.js':31C 'campaign':27C 'code':2A 'copi':75C 'd7a004f21796f6884acc016de74cb95c0db3e7e8b5220b38b15cf40befdadaa0':82C 'examin':77C 'fill':71C 'give':36C 'loop':35C 'mal':9A,12A 'malici':1A,19B 'name':42C,57C 'new':40C,56C 'npm':8A,47C 'packag':20B,29C,38C,52C 'package.json':44C 'part':21C 'propag':64C 'public':61C 'publish':48C,50C 'random':41C 'registri':68C,73C 'replic':60C 'republish':26C 'rewrit':43C 'run':46C 'self':25C,59C 'self-repl':58C 'self-republish':24C 'sha':80C 'ship':30C 'step':65C 'tarbal':79C 'toolteadev':7A,18A 'unemploy':4A 'unemployed':15A 'version':76C 'worm':69C 'xerina':6A 'xerinae':17A 'xerinae-toolteadev':5A,16A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":null,"audience":null,"plain_action":null,"pkeys":["unemployedxerinaetoolteadev"],"ptokens":["toolteadev","unemployed","xerinae"],"labels":["critical","malicious","npm","package"],"campaign_type":null,"first_public_at":"2026-11-02T22:42:17+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"osv-malicious","external_id":"MAL-2026-18667","url":"https://osv.dev/vulnerability/MAL-2026-18667","severity":"critical","published_at":"2026-11-02T22:42:17+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"}