GCVE-110-OSM-2026-1579

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published April 8, 2026

Suspected dependency confusion attack. Behaviors: data exfiltration, code execution, install-time execution. Payload: index.js Key findings: - Webhook Data Exfiltration in index.js: "discord.com/api/webhooks/1491434681944641606/hHDMx3rRes0hxrrARpEZvJyw_Wnj5IblUOl..." - Detached Child Process Payload in index.js: "spawn('cmd.exe', ['/c', 'exit'], { detached: true" - Filename Extraction from Response in index.js: "Content-Disposition: form-data; name="file"; filename=" - Shell Command Execution in index.js: "require('child_process')" - Silent Process Execution in index.js: "stdio: 'ignore'" IOCs: - domains: cat.id - discordWebhooks: https://discord.com/api/webhooks/1491434681944641606/hHDMx3rRes0hxrrARpEZvJyw_Wnj5IblUOl8CyTgRphsobny5FtEnhhZWFLngmpKN7-e - payloadFileHash: 642b312517ed0c1dcdc2705ee0e57d3079bfa0631b66b3b512817950115af669

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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	black-moon-js	* (affected)	—

References

Malicious npm package: black-moon-js

advisory

vendor

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