GCVE-110-OSM-2026-9088

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published July 25, 2026

Malicious package detected. Behaviors: data exfiltration, code execution, install-time execution. ENTRY postinstall.js (install-hook: node postinstall.js) - Install Hook Executes Local JS File in package.json EXFIL - System Information Collection in postinstall.js: "os.hostname()" ADDITIONAL FINDINGS - Dynamic Code Execution in postinstall.js: "exec(cmd)" - Shell Command Execution in postinstall.js: "require('child_process')" - Publisher Has Other Malicious Packages PAYLOAD FILES postinstall.js INDICATORS (IOCs) - urls: https://app.cloudsmith.com/georgian/r/georgian-test, https://npm.cloudsmith.io/georgian/georgian-test/`, https://app.cloudsmith.com/georgian/r/georgian-test/packages/ - domains: app.cloudsmith.com, georgian.io, npm.cloudsmith.io - emails: giovanni.galeacurmi@georgian.io - payloadFileHash: ae337d449f0abba6435e785ee3a2d08193124820239bbad44fa07ecf09095c5c

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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	cloudsmith-malware-poc	all (affected)	—

References

Malicious npm package: cloudsmith-malware-poc

advisory

vendor

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