GCVE-110-OSM-2026-11939

The package's preinstall lifecycle script (preinstall.js) executes automatically on `npm install` and collects the installer's hostname, OS username, current working directory, and CI-related environment variable names. The collected data is base64-encoded and transmitted to a hardcoded out-of-band collector under lyomeri.com via both a DNS lookup (encoding data into a subdomain label under easypanel-agent.<data>.oob.lyomeri.com) and an HTTP GET request to the same host. The package's main entry, index.js, is an empty stub (`module.exports = {}`), so the install-time beacon is the sole functional behavior. The package name mimics the 'easypanel' product, consistent with a dependency-confusion or typosquat delivery vehicle. An in-source comment self-labeling the code as a 'benign canary' does not change that installer-controlled data leaves the machine without consent to an author-controlled endpoint. ENTRY preinstall.js (install-hook: node preinstall.js) - Install Hook Executes Local JS File in package.json EXFIL - Data Encoding for Exfiltration in preinstall.js: "encodeURIComponent(raw.slice(0,1400)),timeout:4000},res=>res.resume" - Network Request in preinstall.js: "http.request(" - System Information Collection in preinstall.js: "os.userInfo()" - DNS Lookup in preinstall.js: "dns.lookup(" PAYLOAD FILES preinstall.js