GCVE-110-OSM-2026-5972

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published June 16, 2026

Malicious package detected. Behaviors: data exfiltration, code execution, install-time execution. ENTRY bin/postinstall.js (install-hook: node bin/postinstall.js) - Install Hook Executes Local JS File in package.json EXFIL - System Information Collection in bin/postinstall.js: "process.platform" - System Information Collection in bin/run.js: "process.platform" ADDITIONAL FINDINGS - Stealth Background Process Spawning in bin/postinstall.js: "spawn(binaryPath, [], { detached: true, stdio: 'ignore' }" - Shell Command Execution in bin/postinstall.js: "require('child_process')" - Silent Process Execution in bin/postinstall.js: "stdio: 'ignore'" - Detached Child Process Payload in bin/postinstall.js: "spawn(binaryPath, [], { detached: true" PAYLOAD FILES bin/postinstall.js (+ bin/run.js) INDICATORS (IOCs) - ipv6: 2001:4860:4860:: - payloadFileHash: 44b8c5524987eda80f2d8896bc75765afd45e02de410352c1dc041d678a422c1

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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	epm-service-module-v2	all (affected)	—

References

Malicious npm package: epm-service-module-v2

advisory

vendor

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