GCVE-110-OSM-2026-4807

Advisory PublishedCVSS 5.4/10

Vulnetix · Advisory published May 27, 2026

Bug bounty dependency confusion attempt. Package exfiltrates basic system information (hostname, IP, DNS) to security research infrastructure. Behaviors: data exfiltration, code execution, network activity, install-time execution. Entrypoint: index.js (install-hook: node index.js) Exfil: https://ao2kwaermfer4drqqy1qpxa2xt3krcf1.oastify.com/dep-confusion-digital-invoice (oast, recovery: plaintext in index.js) Payload: index.js Key findings: - OAST/Interactsh Exfiltration in index.js: "oastify.com" - Shell Command Execution in index.js: "require("child_process")" - Install Hook Executes Local JS File in package.json: ""postinstall": "node index.js"" - Publisher Has Other Malicious Packages IOCs: - oastEndpoints: https://ao2kwaermfer4drqqy1qpxa2xt3krcf1.oastify.com/dep-confusion-digital-invoice - payloadFileHash: f6ca151209d2153c1869f171795c582b6dad0bf7905ec2dad250c567b0d7503f

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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	paysafe-gbp-digital-invoice-lib-fe	all (affected)	—

References

Malicious npm package: paysafe-gbp-digital-invoice-lib-fe

advisory

vendor

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