MAL-2026-10159

    Dashboard / Malicious Package / MAL-2026-10159

    MAL-2026-10159

    Published: 10 Jul 2026Last Modified: 10 Jul 2026

    Summary: Malicious code in npm-rce-safe-proof-yourname (npm)

    Details: Source: amazon-inspector (f9fdedc15d959d978bd3563d29d16c5ab226d3c4fa4ab8b6fecf8bdf130e29ab) On `npm install`, postinstall.js runs `whoami`, reads `os.hostname()`, `process.platform`, and `process.version`, and transmits them via HTTPS GET to a hardcoded remote endpoint at https://testnpm.byte.eyes.sh/npm-proof. This fires automatically as a lifecycle hook with no user consent. The package's declared purpose (`npm script for showing date strings`) and its self-labeling as a 'safe proof' do not match the observed behavior — the code is a functional install-time identity beacon transmitting the installer's username and hostname to an author-controlled destination. Beaconing installer identity to a hardcoded third-party host on install is credential/identity leakage regardless of the 'proof' framing.

    References: https://www.npmjs.com/package/npm-rce-safe-proof-yourname/v/1.0.0

    Affected packages

    Package

    Name: npm-rce-safe-proof-yourname

    Purl: pkg:npm/npm-rce-safe-proof-yourname

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    1.0.0
    MAL-2026-10159 | CVE-DB