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Malicious package

prm-bundlesnpm

Advisory published Updated

prm-bundles is a confirmed malicious npm package (MAL-2026-15543) 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 prm-bundles (npm)

MAL-2026-15543
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall prm-bundles

What this malware does

package.json line 11 declares a dependency whose key equals the package's own name (prm-bundles) and whose value is a bare HTTPS URL (https://repo.securityctrl.com/prm-bundles) rather than a registry version range. On npm install, npm fetches whatever tarball that URL returns and installs it, executing any lifecycle scripts contained in it, with no version pin and no integrity check. Because the shipped source in this package is an inert placeholder, the manifest is the entire payload delivery mechanism, and the code that ultimately runs on the installer is whatever the operator of repo.securityctrl.com serves at install time. The implausibly high version (45.0.0) combined with the self-referential name is consistent with a dependency-confusion redirection targeting an internal package name.

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)

e252184c7a4f29eafe72c86873c662342486b68fe5c1ce3a5405845aa8695a33
007c18a94d026725fe4a18ea8c629fb9b1d53f5eff378b671386961dd03657ed

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for prm-bundles (version 45.0.0).

  2. If you installed it — respond

    Remove prm-bundles 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 prm-bundles 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. prm-bundles 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-2026-019105GHSA-g57v-rj8p-j52h

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks prm-bundles-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

prm-bundles (npm) malicious package — MAL-2026-15543 | O3 Security