{"id":"MAL-2026-18230","kind":"package","aliases":["MAL-2026-18230"],"related":[],"title":"Malicious code in larchworker (PyPI)","description":"---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (87e174c9dc2485263894e4d6c3d1560589659afbfbe9397ca1e1b53fb21d96b3)\nThis campaign consists of similar loader packages, which provide executing code from a given URL. While they do not contain the malicious payload and the usage remains unknown, they are clearly a coordinated campaign to place multiple deceptive ways to load malicious code.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-10-voice-synthesis-profiles\n\n\nReasons (based on the campaign):\n\n\n - other\n\n\n - Downloads and executes a remote malicious script.","summary":null,"severity":"critical","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"larchworker","fixed":[],"affected":"= 0.1.0","ecosystem":"pypi"}],"ecosystems":["pypi"],"tags":["malicious","package"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-23T15:52:41+00:00","first_seen_at":"2026-10-26T20:52:02+00:00","triaged_at":"2026-10-26T20:55:45+00:00","updated_at":"2026-10-26T21:05:48+00:00","category":"package","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'-10':83C '-18230':8A,11A '-2026':7A,10A '2026':82C '87e174':26C 'base':89C 'c9dc2485263894e4d6c3d1560589659afbfbe9397ca1e1b53fb21d96b3':27C 'campaign':29C,61C,74C,81C,92C 'categori':71C 'clear':58C,76C 'code':2A,38C,70C 'consist':30C 'contain':47C 'coordin':60C 'decept':65C 'detail':17C 'download':94C 'edit':20C 'execut':37C,96C 'given':41C 'infosteal':80C 'intent':78C 'kam193':25C 'larchwork':4A 'larchworker':12A 'like':79C 'line':23C 'load':68C 'loader':33C 'mal':6A,9A 'malici':1A,13B,49C,69C,72C,77C,99C 'multipl':64C 'packag':14B,34C 'payload':50C 'per':15C 'place':63C 'profil':87C 'provid':36C 'pypi':5A 'reason':88C 'remain':54C 'remot':98C 'script':100C 'similar':32C 'sourc':16C,24C 'synthesi':86C 'unknown':55C 'url':42C 'usag':53C 'voic':85C 'voice-synthesis-profil':84C 'way':66C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-23T15:52:41+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"osv-malicious","external_id":"MAL-2026-18230","url":"https://osv.dev/vulnerability/MAL-2026-18230","severity":"critical","published_at":"2026-10-23T15:52:41+00:00","modified_at":"2026-10-23T16:31:11+00:00","first_seen_at":"2026-10-26T20:52:02+00:00","fetched_at":"2026-10-26T20:52:02+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}