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Malicious package

capacitor-plugin-service-workernpm

Malicious code in capacitor-plugin-service-worker (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-3327
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall capacitor-plugin-service-worker

What this malware does

The package capacitor-plugin-service-worker was found to contain malicious code.

The OpenSSF Package Analysis project identified 'capacitor-plugin-service-worker' @ 100.0.0 (npm) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.

Malicious versions

2 flagged
100.0.0100.2.0

Indicators of compromise (SHA-256)

3f28ba8fd7638915ed1060990ac5bbe779c131ee7453a155248a2f5d9d8c8e53
aa55f7d30d38d7e0c527b9205044ad39277fc98c6d2ed056e55edbe539c2dcb3
36f1958d8bc44724a00d45b291983ad836dc2f28370c27f83c76f7bf1780bd4b

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 capacitor-plugin-service-worker (2 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging capacitor-plugin-service-worker across your stack and pipelines.

  2. If you installed it — respond

    Remove capacitor-plugin-service-worker 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 capacitor-plugin-service-worker 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 capacitor-plugin-service-worker 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. capacitor-plugin-service-worker on npm has been identified as a malicious package (versions 100.0.0, 100.2.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Credits

  • Amazon Inspector · finder
  • OpenSSF: Package Analysis · finder

Detect & block this

O3 blocks capacitor-plugin-service-worker-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.

capacitor-plugin-service-worker (npm) malicious package — MAL-2026-3327 | O3 Security