GCVE-110-OSM-2026-1561

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published April 8, 2026

Suspected dependency confusion attack. Behaviors: data exfiltration, code execution, network activity, install-time execution. Payload: preinstall.js Key findings: - OAST/Interactsh Exfiltration in preinstall.js: "oastify.com" - Dynamic Code Execution in preinstall.js: "exec(curlCmd)" - Shell Command Execution in preinstall.js: "require('child_process')" - Suspicious Domain in preinstall.js: "oastify.com" - Startup Persistence in preinstall.js: ".zshrc" IOCs: - urls: http://sxtb6taurfu8n6ka8o4sc26hp8vzjp7e.oastify.com - domains: sxtb6taurfu8n6ka8o4sc26hp8vzjp7e.oastify.com - oastEndpoints: http://sxtb6taurfu8n6ka8o4sc26hp8vzjp7e.oastify.com - payloadFileHash: 4d230b32e88d89c43eac2990c28664462f0496c2d15845a53222ff2cfcbf8467

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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	@0xlivin/corp-build-utils-poc	all (affected)	—

References

Malicious npm package: @0xlivin/corp-build-utils-poc

advisory

vendor

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