GCVE-110-OSM-2026-3841

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published May 8, 2026

[osmalyze-auto] Suspected dependency confusion attack. Behaviors: data exfiltration, code execution, install-time execution. [osmalyze-auto] Entrypoint: postinstall.js (install-hook: node postinstall.js) 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')" - Very New NPM Publisher Account - Publisher Has Other Malicious Packages IOCs: - ipv4: 178.20.43.118 - payloadFileHash: 1184e3286ac1ed8836b311625f4a06e3106c2790ca28858a3108f59136486df8

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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	@zvuk-web/audio-core	all (affected)	—

References

Malicious npm package: @zvuk-web/audio-core

advisory

vendor

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