GCVE-110-OSM-2026-2663

Advisory PublishedCVSS 5.4/10

Vulnetix · Advisory published April 17, 2026

Bug bounty dependency confusion attempt. Package exfiltrates basic system information (hostname, IP, DNS) to security research infrastructure. Behaviors: data exfiltration, install-time execution. Payload: beacon.js Key findings: - OAST/Interactsh Exfiltration in beacon.js: "webhook.site" - Install Hook Executes Local JS File in package.json: ""postinstall": "node beacon.js"" - Very New NPM Publisher Account IOCs: - payloadFileHash: 0eae936fabb6f190909051bee02243027fd54561b52776be563787b57ffefbde

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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	@jet-react-native/courier-earnings	all (affected)	—

References

Malicious npm package: @jet-react-native/courier-earnings

advisory

vendor

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