GCVE-110-OSM-2026-4878

Advisory PublishedCVSS 5.4/10

Vulnetix · Advisory published May 28, 2026

Bug bounty dependency confusion attempt. Package exfiltrates basic system information (hostname, IP, DNS) to security research infrastructure. Behaviors: data exfiltration, obfuscated code. Entrypoint: index.js (main: index.js) Exfil: https://webhook.site/843db1f3-fbea-4858-86f3-066ae6fe995f (reconstructed, recovery: reconstructed in debug.js) Payload: debug.js Key findings: - OAST/Interactsh Exfiltration in debug.js: "webhook.site" - Reconstructed Obfuscated URL in debug.js: "https://webhook.site/843db1f3-fbea-4858-86f3-066ae6fe995f" - Data Encoding for Exfiltration in debug.js: "encodeURI(debugFile" - Dynamic Base64 Decoding in debug.js: "Buffer.from(encoded, 'base64')" - Brand New Package IOCs: - urls: https://webhook.site/843db1f3-fbea-4858-86f3-066ae6fe995f - domains: webhook.site - payloadFileHash: 8eabb0918247d5d93b23bc26a780f7f64f5d4609d0dae00c22f832d33d3602c2

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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	@theguyswithaball/color-utils	1.0.1 (affected)	—

References

Malicious npm package: @theguyswithaball/color-utils

advisory

vendor

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