GCVE-110-OSM-2026-4157

Advisory PublishedCVSS 5.4/10

Vulnetix · Advisory published May 12, 2026

[osmalyze-auto] Bug bounty dependency confusion attempt. Package exfiltrates basic system information (hostname, IP, DNS) to security research infrastructure. Behaviors: data exfiltration, network activity, install-time execution. [osmalyze-auto] Entrypoint: index.js (default-index: index.js) Key findings: - OAST/Interactsh Exfiltration in package.json: "oastify.com" - Publisher Has Other Malicious Packages - System Information Exfiltration in package.json: "os.hostname(),un:os.userInfo().username,c:process.cwd()});const o={hostname:'9is..." - Platform Detection with Data Collection in package.json: "JSON.stringify({hn:os.hostname(),un:os" - Brand New Package

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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	@housecallpro/marketing-site	all (affected), * (affected), all (affected), all (affected)	—

References

Malicious npm package: @housecallpro/marketing-site

advisory

vendor

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