Vulnerability MAL-2026-18447
Unknown
UNKNOWN RISK
Vulnerabilities without an assigned CVSS score. Severity is not determinable from available data.
4 days ago
October 29, 2026 at 07:22 AM UTC
Malicious code in zystcdemo (npm)
1.0.0
1.0.0
Summary
Malicious code in zystcdemo (npm)
Details
zystcdemo presents itself as a simple date formatting utility and runs its postinstall payload on npm install with node postinstall.js. The payload collects the whoami result, hostname, platform, and current time, then sends them in a POST request to https://srctest.zystcc.cn/collect; npm account zyst published it on 2026-10-29 (UTC).
References
Impacted packages
Timeline
Published
4 days ago
October 29, 2026 at 07:22 AM UTC
Last Modified
4 hours ago
November 02, 2026 at 05:15 AM UTC