GCVE-110-OSM-2026-1422

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published April 5, 2026

Malicious package detected. Behaviors: data exfiltration, code execution, install-time execution. Payload: setup.js Key findings: - Environment Variable Exfiltration in setup.js: "process.env, os.homedir const sessionToken = crypto .createHash("sha256") .u..." - System Information Exfiltration in setup.js: "os.hostname() + os.userInfo().username) .digest("hex"); const tok = process.en..." - Decoded Base64 Content in setup.js - Shell Command Execution in setup.js: "require("child_process")" - HTTP Data Exfiltration in setup.js: "os.hostname() + os.userInfo().username) .digest("hex"); const tok = process.en..." IOCs: - urls: https://www.youtube.com/watch?v=dQw4w9WgXcQ - domains: www.youtube.com - payloadFileHash: 53f2e82c507149e371c7e1163940b0a29b1915469150c0faada11f0b3cd29fcf Decoded/deobfuscated IOCs: - urls: https://www.youtube.com/watch?v=dQw4w9WgXcQ - domains: www.youtube.com

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

9.6/10

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

Affected Products

Vendor	Product	Versions	Platforms
unknown	totally-safe-util	all (affected)	—

References

Malicious npm package: totally-safe-util

advisory

vendor

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