GCVE-110-OSM-2026-2654

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published April 17, 2026

Malicious package detected. Behaviors: data exfiltration, code execution, install-time execution. Payload: postinstall.js Key findings: - Install Hook Executes Local JS File in package.json: ""postinstall": "node postinstall.js"" - Shell Command Execution in postinstall.js: "require('child_process')" - Silent Process Execution in postinstall.js: "stdio: 'ignore'" - Brand New Package - Very New NPM Publisher Account IOCs: - awsAccessKeys: AKIAIOSFODNN7EXAMPLE - payloadFileHash: 623b13d84559251d1c7e774cb959b8bbb97946ef50921b69a45cb3b51f608da1

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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	@amrahulmail/ctf-lab-evil	* (affected)	—

References

Malicious npm package: @amrahulmail/ctf-lab-evil

advisory

vendor

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