GCVE-110-OSM-2026-1603

Advisory PublishedCVSS 5.4/10

Vulnetix · Advisory published April 9, 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: postinstall.js Key findings: - OAST/Interactsh Exfiltration in postinstall.js: "webhook.site" - Very New NPM Publisher Account IOCs: - urls: https://webhook.site/a0b6808a-de6b-490f-a23d-d5ea5900add9 - webhookServices: https://webhook.site/a0b6808a-de6b-490f-a23d-d5ea5900add9 - payloadFileHash: 644572b5d62ccc317050a1858f005f89e18289038169009dd3564be724122242

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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	rimo-env-validator	all (affected)	—

References

Malicious npm package: rimo-env-validator

advisory

vendor

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