{"id":"MAL-2026-18658","kind":"package","aliases":["MAL-2026-18658"],"related":[],"title":"Malicious code in rcp-ndcg (PyPI)","description":"---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: ossf-package-analysis (fc78014eaba6dbdc0a485f1954874cbfa65b71ffcda55b1b9337807004e42a2f)\nThe OpenSSF Package Analysis project identified 'rcp-ndcg' @ 9999.0.0 (pypi) as malicious.\n\nIt is considered malicious because:\n\n- The package communicates with a domain associated with malicious activity.","summary":null,"severity":"critical","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"rcp-ndcg","fixed":[],"affected":"= 9999.0.0","ecosystem":"pypi"}],"ecosystems":["pypi"],"tags":["malicious","package"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-05T03:31:09+00:00","first_seen_at":"2026-11-05T04:01:34+00:00","triaged_at":"2026-11-05T04:01:59+00:00","updated_at":"2026-11-05T04:04:36+00:00","category":"package","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'-18658':10A,13A '-2026':9A,12A '9999.0.0':43C 'activ':61C 'analysi':32C,37C 'associ':58C 'code':2A 'communic':54C 'consid':49C 'detail':21C 'domain':57C 'edit':24C 'fc78014eaba6dbdc0a485f1954874cbfa65b71ffcda55b1b9337807004e42a2f':33C 'identifi':39C 'line':27C 'mal':8A,11A 'malici':1A,17B,46C,50C,60C 'ndcg':6A,16A,42C 'openssf':35C 'ossf':30C 'ossf-package-analysi':29C 'packag':18B,31C,36C,53C 'per':19C 'project':38C 'pypi':7A,44C 'rcp':5A,15A,41C 'rcp-ndcg':4A,14A,40C 'sourc':20C,28C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":null,"audience":null,"plain_action":null,"pkeys":["rcpndcg"],"ptokens":["ndcg","rcp"],"labels":["critical","malicious","package","pypi"],"campaign_type":null,"first_public_at":"2026-11-05T03:31:09+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"osv-malicious","external_id":"MAL-2026-18658","url":"https://osv.dev/vulnerability/MAL-2026-18658","severity":"critical","published_at":"2026-11-05T03:31:09+00:00","modified_at":"2026-11-05T03:45:03+00:00","first_seen_at":"2026-11-05T04:01:34+00:00","fetched_at":"2026-11-05T04:01:34+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"}