GCVE-110-OSM-2026-5756

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published June 11, 2026

Suspected dependency confusion attack. Behaviors: data exfiltration, obfuscated code. Entrypoint: index.js (main: index.js) Exfil: https://cloudflare-prevention.vercel.app/api/v1 (custom-c2, recovery: decoded in index.js) Payload: index.js Key findings: - Decoded Base64 Content in index.js - Dynamic Base64 Decoding in index.js: "Buffer.from(encoded, "base64")" - Brand New Package IOCs: - urls: https://cloudflare-prevention.vercel.app/api/v1 - domains: cloudflare-prevention.vercel.app - payloadFileHash: dfee3b4e4420cf84a4ad235eabb5a36b8840a5714540825cb021586cd2046793 Decoded/deobfuscated IOCs: - urls: https://cloudflare-prevention.vercel.app/api/v1 - domains: cloudflare-prevention.vercel.app

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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	ts-eslint-helper	all (affected)	—

References

Malicious npm package: ts-eslint-helper

advisory

vendor

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