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Malicious package

data-valuenpm

Advisory published Updated

data-value is a confirmed malicious npm package (MAL-2026-15533) that executes malicious code on install (malicious version 45.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in data-value (npm)

MAL-2026-15533
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall data-value

What this malware does

package.json declares the package's own name 'data-value' as a dependency whose source is an arbitrary HTTPS URL (https://repo.securityctrl.com/data-value) rather than a registry version range. On npm install, npm fetches whatever bytes that URL returns and runs any lifecycle scripts inside the fetched tarball, with no version pin and no integrity check. The dependency key matching the package's own name is a dependency-confusion shape that forces resolution to this off-registry source. The shipped index.js is an inert stub, so the manifest line itself is the entire published payload — whoever controls repo.securityctrl.com controls code executed on the installer's machine at install time.

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.

Malicious versions

1 flagged
45.0.0

Indicators of compromise (SHA-256)

aa1f0fee2d6635331e603f520ba2954b11ac9e85bbd5b66f27c18be5940c3041
bf57f0b6a91c2bf9b6ecdda0ab27b173bfa0bbd9a9b803e051b94f3c929ab516

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for data-value (version 45.0.0).

  2. If you installed it — respond

    Remove data-value from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

  3. Did it already run?

    If data-value was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. data-value on npm has been identified as a malicious package (version 45.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-019092GHSA-rq5q-gpqf-p4vp

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks data-value-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

Explore

data-value (npm) malicious package — MAL-2026-15533 | O3 Security