GCVE-110-OSM-2026-3941

Advisory PublishedCVSS 5.4/10

Vulnetix · Advisory published May 10, 2026

[osmalyze-auto] Bug bounty dependency confusion attempt. Package exfiltrates basic system information (hostname, IP, DNS) to security research infrastructure. Behaviors: data exfiltration, code execution, install-time execution. [osmalyze-auto] Entrypoint: index.js (install-hook: node index.js) Payload: index.js Key findings: - OAST/Interactsh Exfiltration in index.js: "webhook.site" - Dynamic Code Execution in index.js: "exec(cmd)" - Shell Command Execution in index.js: "require('child_process')" - Install Hook Executes Local JS File in package.json: ""preinstall": "node index.js"" - Brand New Package IOCs: - webhookServices: https://webhook.site/6e268c68-febc-4f38-9cff-22f9152e9023 - payloadFileHash: 2213abf5ba4ce9f4f392ad80717fe167c8681369b77ca95452f083f196f781b9

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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	rsflows-pexml	all (affected)	—

References

Malicious npm package: rsflows-pexml

advisory

vendor

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