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OpenAdvisories
Malicious MAL-2026-12067

hwi-lib

npm package · versions 1.0.1, 1.0.0, 1.0.2

Reported Aug 5, 2026 · Updated Aug 5, 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 (687b96d2fb386735a783701f54b1740fad0e16e1dc153ebcf7f07dd5506d23db)
hwi-lib@1.0.1 ships an empty index.js and a postinstall script that runs automatically on npm install. The script reads installer credential files (~/.aws/credentials, ~/.ssh/id_rsa, id_ed25519, id_ecdsa, ~/.npmrc, ~/.gitconfig, ~/.config/solana/id.json, ~/.ethereum/keystore,.env variants) and walks hidden subdirectories of the user's home directory reading any file matching wallet|key|secret|seed|mnemonic|keystore|private or ending in.json/.pem/.key. The collected contents are POSTed via https.request to the hardcoded endpoint https://enxhcjpo5ev.x.pipedream.net/c. Package name and 'crypto utility' description impersonate the HWI (Hardware Wallet Interface) tooling while the shipped module exports nothing, indicating a lure.

Source: ossf-package-analysis (b354ab4fac90ce3cb0a5afb1a00d518a9a44e8a4da73e66845415e69ec620973)
The OpenSSF Package Analysis project identified 'hwi-lib' @ 1.0.1 (npm) as malicious.

It is considered malicious because:

- The package communicates with a domain associated with malicious activity.