MAL-2026-17663

    Dashboard / Malicious Package / MAL-2026-17663

    MAL-2026-17663

    Published: 8 Oct 2026Last Modified: 8 Oct 2026

    Summary: Malicious code in mfasolver (npm)

    Details: Source: amazon-inspector (6f583d18816b977d3e721da8423405533e9915ad13631d8114e40e54aefd9152) package.json at line 41 declares the only runtime dependency `node-net-pool` as `https://github.com/trktgq0wbre1/node-net-pool/archive/refs/heads/main.tar.gz` — an off-registry HTTP source pointing at the mutable `main` branch of a GitHub account unrelated to the mfasolver publisher, with no commit pin and no integrity hash. `npm install mfasolver` fetches whatever bytes that URL returns at install time and runs any lifecycle scripts contained in the fetched archive. The dependency is additionally force-loaded on require: `lib/cache.js` top-level calls `module['require']('node-net-pool')` inside a try/catch, so importing mfasolver also executes the attacker-controllable code. Separately, `index.js` opens TLS connections to discord.com with `rejectUnauthorized: false`, disabling certificate validation on the package's own Discord traffic.

    References: https://www.npmjs.com/package/mfasolver/v/1.0.0

    Affected packages

    Package

    Name: mfasolver

    Purl: pkg:npm/mfasolver

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    1.0.0