GCVE-110-OSM-2026-3254

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published April 28, 2026

Exfiltrates hostname and user identity (base64-encoded hostname && id output) to webhook.site via curl at install time via a preinstall hook. Part of a three-package dependency confusion cluster targeting Apple internal namespaces (cketol actor, ipelapple@gmail.com). Earlier versions (1.0.0–1.0.5) used a 195-file camouflage mimicking Apple's app-store-server-library-node; v1.0.7 stripped to 2-file minimal payload delivered in 4 versions within 20 minutes. **Trigger** (preinstall): `node index.js` executes at install time. **Collection**: `execSync('hostname && id')` captures hostname and uid/gid/groups. **Encoding**: `Buffer.from(info).toString('base64')`. **Exfiltration**: curl GET to `https://webhook.site/7ea2f4ee-cd3f-4aac-9464-802af0638c66?data=<base64>`.

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

8.8/10

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

Affected Products

Vendor	Product	Versions	Platforms
unknown	internal-sys-audit-check	1.0.7 (affected)	—

References

Malicious npm package: internal-sys-audit-check

advisory

vendor

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