GCVE-110-OSM-2026-4466

Advisory PublishedCVSS 5.4/10

Vulnetix · Advisory published May 19, 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] Key findings: - OAST/Interactsh Exfiltration in package.json: ".oast.fun" - System Information Exfiltration in package.json: "os.hostname(),u:os.userInfo().username,p:process.cwd(),arch:os.arch(),plat:os.pl..." - HTTP Data Exfiltration in package.json: "os.hostname(),u:os.userInfo().username,p:process.cwd(),arch:os.arch(),plat:os.pl..." - Platform Detection with Data Collection in package.json: "JSON.stringify({pkg:'eslint-plugin-click-ui',v:'15.5.0',h:os.hostname(),u:os.use..." - Publisher Has Other Malicious Packages IOCs: - domains: kbzstnsrmekfrdqguucpn1x316o2agbz8.oast.fun

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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	eslint-plugin-click-ui	all (affected)	—

References

Malicious npm package: eslint-plugin-click-ui

advisory

vendor

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