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Malicious package

tempo-componentsnpm

Malicious code in tempo-components (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-4685
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall tempo-components

What this malware does

The package contains a file (poc.js) that imports os, https, fs, and child_process; collects host identifiers including os.hostname(), os.platform(), and the output of whoami; and POSTs the data via https.request to an external endpoint. This is a classic system-reconnaissance and exfiltration shape with no benign interpretation for a package distributed under a 'components' name. Installing or loading this code on a build or developer machine causes host metadata and identity information to be transmitted off-host.

Malicious versions

1 flagged
99.0.1

Indicators of compromise (SHA-256)

6790e6e83af71238b9773ae49568f5374d094d23d1a7247ef4560d645ef64024
9f516fddd52133764a3ff124d5ec3f47b7327e7f6df709614b6040dc4eb35b3c

Detection & response playbook

Credential / info stealer
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for tempo-components (version 99.0.1). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging tempo-components across your stack and pipelines.

  2. If you installed it — respond

    tempo-components is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If tempo-components 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 tempo-components 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. tempo-components on npm has been identified as a malicious package (version 99.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-004682IN-MAL-2026-004683

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks tempo-components-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

tempo-components (npm) malicious package — MAL-2026-4685 | O3 Security