GCVE-110-OSM-2026-1412

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published April 3, 2026

Suspected dependency confusion attack. Behaviors: data exfiltration, code execution, install-time execution. Payload: preinstall.js Secondary files: postinstall.js Key findings: - Environment Variable Exfiltration in postinstall.js: "process.env).filter(([k]) => k.startsWith('npm_'))) }; const https = require..." - OAST/Interactsh Exfiltration in postinstall.js: "webhook.site" - Environment Variable Exfiltration in preinstall.js: "JSON.stringify(process.env)" - System Information Exfiltration in preinstall.js: "JSON.stringify({ env, files, network: Buffer.from(network).toString('base64'), h..." - OAST/Interactsh Exfiltration in preinstall.js: "webhook.site" IOCs: - urls: http://webhook.site/0f987d16-a96f-4b18-a5f6-ccaef4364383 - webhookServices: http://webhook.site/0f987d16-a96f-4b18-a5f6-ccaef4364383 - payloadFileHash: 235ad90ad0acd79ed0d1c27ea4796c074fc0f06f43ba2a9cdce4da38c586638e

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

9.6/10

Critical · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
unknown	hot-validation-sdk	* (affected)	—

References

Malicious npm package: hot-validation-sdk

advisory

vendor

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