{"affected":[{"database_specific":{"cwes":[{"cweId":"CWE-506","description":"The product contains code that appears to be malicious in nature.","name":"Embedded Malicious Code"}],"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/testtestkjkldfnjdfn/MAL-2026-18697.json"},"package":{"ecosystem":"npm","name":"testtestkjkldfnjdfn","purl":"pkg:npm/testtestkjkldfnjdfn"},"versions":["1.0.0"]}],"credits":[{"contact":["https://cyberxyz.io"],"name":"CyberXYZ","type":"FINDER"}],"database_specific":{"iocs":{"domains":[],"files":[{"digests":{"sha256":"d6b33324fdba4969820bb00f159ffb090e156760fffce1bc941bf83999690cf6"},"paths":["nebula.js"]},{"digests":{"sha256":"d8f5c42c479040aa2d9b5a148634797d4b9605875ea1ba2425591cabd564e340"},"paths":["preinstall.cjs"]}],"ips":[],"urls":[]}},"details":"testtestkjkldfnjdfn ships nebula.js, byte-identical to the nebulajs-api payload, and a preinstall.cjs that is a single opaque Function(...) call decoding XOR-encrypted code at install time. It is a new name for the nebulajs-api (MAL-2026-17220) campaign; the file hashes below match that record's evidence. The package presents itself as an ordinary utility, so the code runs on import or install without the user knowing.","id":"MAL-2026-18697","modified":"2026-11-05T05:15:06.057855628Z","published":"2026-10-26T00:00:00Z","references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/testtestkjkldfnjdfn"},{"type":"WEB","url":"https://osv.dev/vulnerability/MAL-2026-17220"}],"schema_version":"1.9.2","summary":"Malicious code in testtestkjkldfnjdfn (npm)"}