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Malicious package

plugin-proposalnpm

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

MAL-2026-7348
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall plugin-proposal

Malicious versions

1 flagged
99.1.1

Indicators of compromise (SHA-256)

331df7af0be6439644cf2b516311d11277915ee9dd1948d85e59f1c739cc8d1c

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 plugin-proposal (version 99.1.1). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging plugin-proposal across your stack and pipelines.

  2. If you installed it — respond

    Remove plugin-proposal 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 plugin-proposal 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 plugin-proposal 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. plugin-proposal on npm has been identified as a malicious package (version 99.1.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-05225

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks plugin-proposal-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.

plugin-proposal (npm) malicious package — MAL-2026-7348 | O3 Security