GCVE-110-OSM-2026-14807

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published November 11, 2026

Malicious package detected. Behaviors: data exfiltration, install-time execution. ENTRY scripts/install.js (install-hook: node scripts/install.js) - Install Hook Executes Local JS File in package.json DESTINATION - 2 exfil (custom-c2) (values recorded in verified_iocs) EXFIL - System Information Exfiltration in src/download.js: "os.homedir(), '.celest', 'bin') const CHROME_BIN = path.join(BIN_DIR, process.pl..." - System Information Collection in src/download.js: "os.homedir()" ADDITIONAL FINDINGS - Brand New Package - Very New NPM Publisher Account - Rapid Version Publishing PAYLOAD FILES src/download.js

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

8.8/10

High · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
unknown	celest-browser	all (affected)	—

References

Malicious npm package: celest-browser

advisory

vendor

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