{"dataType":"CVE_RECORD","dataVersion":"1.0","cveMetadata":{"cveId":"GCVE-110-OSM-2026-14366","assignerOrgId":"","assignerShortName":"Vulnetix","state":"PUBLISHED","datePublished":"2026-11-01T23:37:59Z","dateUpdated":"2026-11-01T23:51:24Z","dateReserved":""},"containers":{"cna":{"providerMetadata":null,"title":"","descriptions":[{"lang":"en","value":"Malicious package detected. Behaviors: data exfiltration, install-time execution.\n\nENTRY\n  preinstall.js (install-hook: node preinstall.js)\n  - Install Hook Executes Local JS File in package.json\n\nDESTINATION\n  - 1 exfil (discord-webhook)\n  (values recorded in verified_iocs)\n\nEXFIL\n  - Webhook Data Exfiltration in preinstall.js: \"discord.com/api/webhooks/1566215853794394162/xsqpEbSn-cc3DU2AKWdzqWnXX5hjTfV-gUe...\"\n  - System Information Collection in preinstall.js: \"os.userInfo()\"\n\nADDITIONAL FINDINGS\n  - Platform Detection with Data Collection in preinstall.js: \"JSON.stringify({ content: `pitest: npm preinstall test notification. Computer: $...\"\n  - Very New NPM Publisher Account\n\nPAYLOAD FILES\n  preinstall.js","supportingMedia":null}],"references":[{"url":"https://opensourcemalware.com/threats/975e80be-4a38-4cbe-9712-e37fa10a828b","name":"Malicious npm package: calculator-preinstall-hook-demo","tags":["advisory"]},{"url":"https://registry.npmjs.org/calculator-preinstall-hook-demo","name":"","tags":["vendor"]}],"metrics":[{"format":"CVSS_V3","scenarios":null,"cvssV2_0":null,"cvssV3_0":null,"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","baseScore":9.6,"baseSeverity":"CRITICAL"},"cvssV4_0":null,"other":null}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Embedded Malicious Code","cweId":"CWE-506","type":"CWE"}]}],"affected":[{"vendor":"unknown","product":"calculator-preinstall-hook-demo","collectionURL":"https://registry.npmjs.org","packageName":"calculator-preinstall-hook-demo","repo":"","defaultStatus":"affected","versions":[{"version":"all","status":"affected","versionType":"","lessThan":"","lessThanOrEqual":"","changes":null}],"cpes":null,"modules":null,"programFiles":null,"platforms":null}],"cpeApplicability":null,"rejectedReasons":null,"replacedBy":null},"adp":null}}