{"id":"MAL-2026-17191","kind":"package","aliases":["MAL-2026-17191"],"related":[],"title":"Malicious code in requests-cache-utils (PyPI)","description":"---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (1655ea47fc7ccd39294203776ee3dcb01a394c40d93e05b7b527700b19de42c8)\nDuring installation and importing the module, the code downloads and executes an infostealer.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-09-requests-cache-utils\n\n\nReasons (based on the campaign):\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n\n\n - Downloads and executes a remote executable.\n\n\n - malware\n\n\n - infostealer\n\n\n - exfiltration-browser-data","summary":null,"severity":"critical","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"requests-cache-utils","fixed":[],"affected":"= 1.0.0","ecosystem":"pypi"}],"ecosystems":["pypi"],"tags":["malicious","package"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-09-26T22:49:02+00:00","first_seen_at":"2026-10-26T20:51:58+00:00","triaged_at":"2026-10-26T21:08:21+00:00","updated_at":"2026-10-26T21:08:21+00:00","category":"package","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'-09':58C '-17191':11A,14A '-2026':10A,13A '1655ea47fc7ccd39294203776ee3dcb01a394c40d93e05b7b527700b19de42c8':32C '2026':57C 'base':64C 'browser':92C 'cach':6A,61C 'cache':17A 'campaign':49C,56C,67C 'categori':46C 'clear':51C 'code':2A,40C,79C 'command':73C 'data':93C 'detail':23C 'download':41C,82C 'edit':26C 'execut':43C,77C,84C,87C 'exfiltr':91C 'exfiltration-browser-data':90C 'import':36C 'infosteal':45C,55C,89C 'instal':34C,72C,81C 'intent':53C 'kam193':31C 'like':54C 'line':29C 'mal':9A,12A 'malici':1A,19B,47C,52C,78C 'malwar':88C 'modul':38C 'overrid':70C 'packag':20B,69C 'per':21C 'pypi':8A 'reason':63C 'remot':86C 'request':5A,60C 'requests':16A 'requests-cache-util':4A,59C 'requests-cache-utils':15A 'setup.py':75C 'sourc':22C,30C 'util':7A,62C 'utils':18A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2026-09-26T22:49:02+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"osv-malicious","external_id":"MAL-2026-17191","url":"https://osv.dev/vulnerability/MAL-2026-17191","severity":"critical","published_at":"2026-09-26T22:49:02+00:00","modified_at":"2026-09-26T23:30:04+00:00","first_seen_at":"2026-10-26T20:51:58+00:00","fetched_at":"2026-10-26T20:51:58+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"}