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Malicious package

wpt-clientnpm

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

MAL-2026-1878
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall wpt-client

What this malware does

The package wpt-client was found to contain malicious code.

Malicious versions

1 flagged
100.0.0

Indicators of compromise (SHA-256)

ca6797001232d5a2910d8be0ed981901d842c5262722b32a0a1b98b79e9ebe1d
6928aebd6d492c4618abb9136b97cdf065cf37f91fab0e0a11a5688cd0e4f5f7

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 wpt-client (version 100.0.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging wpt-client across your stack and pipelines.

  2. If you installed it — respond

    Remove wpt-client 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 wpt-client 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 wpt-client 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. wpt-client on npm has been identified as a malicious package (version 100.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01653

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks wpt-client-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.

wpt-client (npm) malicious package — MAL-2026-1878 | O3 Security