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Malicious package

lowkirkuenlynpm

lowkirkuenly is a confirmed malicious npm package (MAL-2026-10333) that executes malicious code on install (malicious versions 1.1.2, 2.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in lowkirkuenly (npm)

MAL-2026-10333
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall lowkirkuenly

What this malware does

The package was found to contain malicious code or consuming dependency that contains malicious code

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

2 flagged
1.1.22.0.0

Indicators of compromise (SHA-256)

1c86d89b5965c2190cca27e5c239d2999df8fb61b68f9670c779c032603fa892
1472fdafb97a66413947c670c93a1bce21ec72a95e47912e7093681e5d9cdb73
8918331e8fc062ccb533de6c090d64d13d63a6ea78c814ad1790129ecd0cd027
570d1040661005aab7eeceaf24b389b01789b756da41396ad3685404f1a24c26

Detection & response playbook

Malicious package
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for lowkirkuenly (2 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging lowkirkuenly across your stack and pipelines.

  2. If you installed it — respond

    Remove lowkirkuenly 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 lowkirkuenly was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks lowkirkuenly before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. lowkirkuenly on npm has been identified as a malicious package (versions 1.1.2, 2.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GHSA-78qq-4g2g-jp36IN-MAL-2026-010420RLMA-2026-05571RLUA-2026-06315

References

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks lowkirkuenly-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

lowkirkuenly (npm) malicious package — MAL-2026-10333 | O3 Security