GCVE-110-OSM-2026-1453

Advisory PublishedCVSS 5.4/10

Vulnetix · Advisory published April 6, 2026

Bug bounty dependency confusion attempt. Package exfiltrates basic system information (hostname, IP, DNS) to security research infrastructure. Behaviors: data exfiltration, network activity. Key findings: - OAST/Interactsh Exfiltration in package.json: ".oast.fun" - URL-Based Dependency in package.json: ""dependencies": { "ssrf-dep": "https://jvoiawrnctdilwhodxyn7f9x8d2w7juh1.oas..." - Suspicious Domain in package.json: "oast.fun" - URL Dependency Fetch Failed in package.json IOCs: - urls: https://jvoiawrnctdilwhodxyn7f9x8d2w7juh1.oast.fun/pkg.tgz - domains: jvoiawrnctdilwhodxyn7f9x8d2w7juh1.oast.fun - oastEndpoints: https://jvoiawrnctdilwhodxyn7f9x8d2w7juh1.oast.fun/pkg.tgz

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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	chess-sec-ssrf1	all (affected)	—

References

Malicious npm package: chess-sec-ssrf1

advisory

vendor

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