GCVE-110-OSM-2026-2459

Advisory PublishedCVSS 5.4/10

Vulnetix · Advisory published April 15, 2026

Bug bounty dependency confusion attempt. Package exfiltrates basic system information (hostname, IP, DNS) to security research infrastructure. Behaviors: data exfiltration, code execution, install-time execution. Payload: callback.js Key findings: - OAST/Interactsh Exfiltration in callback.js: "oast.online" - Shell Command Execution in callback.js: "require('child_process')" - Install Hook Executes Local JS File in package.json: ""preinstall": "node callback.js"" - Very New NPM Publisher Account IOCs: - domains: d7f93j39plqf2tjsj7ugaaye9nqfo9j3f.oast.online - payloadFileHash: 6aa62a3c0699ff4d9ff596c7b367dea28e50002a884e39669bb1c94891418fd3

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

5.4/10

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

Affected Products

Vendor	Product	Versions	Platforms
unknown	fusion-events	all (affected)	—

References

Malicious npm package: fusion-events

advisory

vendor

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