{"dataType":"CVE_RECORD","dataVersion":"1.0","cveMetadata":{"cveId":"GCVE-110-NPM-2026-035292","assignerOrgId":"","assignerShortName":"Vulnetix","state":"PUBLISHED","datePublished":"2026-10-20T12:21:08Z","dateUpdated":"2026-10-20T12:21:08Z","dateReserved":""},"containers":{"cna":{"providerMetadata":null,"title":"","descriptions":[{"lang":"en","value":"The npm package `@mathrunet/masamune_firebase_asset_pipeline` (version 3.8.1) was flagged as malicious by automated package analysis (2 corroborating detection(s)). Installing it may execute attacker-controlled code via lifecycle scripts or bundled JavaScript. Verdict path: evidence — for ownership-only paths (owner-known-bad / multi-identity) the change of ownership is a compounding indicator the engine correlated with other signals, not standalone proof. This verdict is produced by static analysis and is subject to human review.","supportingMedia":null},{"lang":"en","value":"[JS-INSTALL-REMOTE-IMPORT] npm lifecycle hook require()/imports from a remote https URL: the hook fetches attacker-controlled code outside the registry at install time. Benign packages declare dependencies in package.json and load them from the registry; an install hook that loads a remote URL is a download-and-execute bypass.","supportingMedia":null},{"lang":"en","value":"[JS-HOOK-DECODE-EGRESS-SEQ] npm lifecycle hook decodes a payload (atob/Buffer.from) AND opens a network egress: the canonical npm install-time exfiltration/staged-execution sequence. A benign hook may decode an asset OR contact a registry, but decode+egress together in an install hook is exfiltration/staging.","supportingMedia":null}],"references":[{"url":"https://www.npmjs.com/package/@mathrunet/masamune_firebase_asset_pipeline","name":"","tags":["advisory"]},{"url":"https://github.com/mathrunet/node_masamune#readme","name":"","tags":["web"]},{"url":"https://github.com/mathrunet/node_masamune","name":"","tags":["web"]}],"metrics":null,"problemTypes":[{"descriptions":[{"lang":"en","description":"Embedded Malicious Code","cweId":"CWE-506","type":"CWE"}]},{"descriptions":[{"lang":"en","description":"Improper Control of Generation of Code ('Code Injection')","cweId":"CWE-94","type":"CWE"}]},{"descriptions":[{"lang":"en","description":"Exposure of Sensitive Information to an Unauthorized Actor","cweId":"CWE-200","type":"CWE"}]}],"affected":[{"vendor":"npm","product":"@mathrunet/masamune_firebase_asset_pipeline","collectionURL":"https://www.npmjs.com","packageName":"@mathrunet/masamune_firebase_asset_pipeline","repo":"","defaultStatus":"","versions":[{"version":"3.8.1","status":"affected","versionType":"","lessThan":"","lessThanOrEqual":"","changes":null}],"cpes":null,"modules":null,"programFiles":null,"platforms":null}],"cpeApplicability":null,"rejectedReasons":null,"replacedBy":null},"adp":null}}