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OpenAdvisories
Malicious MAL-2026-10425

trinity-scheme

npm package · versions 20.0.0

Reported Jul 13, 2026 · Updated Jul 13, 2026

If this package is installed

Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.

Details

Source: amazon-inspector (5d576c0487668f599137a479e17ddc1335935fdec631f7d5adfa9e73049d7652)
On npm install, the package's preinstall lifecycle reads a hex-encoded `command` string from preinstall.json, decodes it via Buffer.from(..., 'hex'), and passes the decoded shell command to child_process.exec. The decoded payload collects the installer's `whoami`, `pwd`, and `hostname` output and POSTs the values to the hardcoded endpoint https://eo7o7j442dx6yl6.m.pipedream.net/. The command is stored in hex form to evade plain-text scanning; the package otherwise provides no functionality consistent with its declared name.