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Malicious package

rce-pkg-1npm

Malicious code in rce-pkg-1 (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-1833
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall rce-pkg-1

What this malware does

The package rce-pkg-1 was found to contain malicious code.

Malicious versions

2 flagged
1.0.01.1.0

Indicators of compromise (SHA-256)

63e13fc42a58e54d7d2d6d7b2fe38afbae439df222e1457e6cba1fbca35e3755
00722c1eda950154ab61163515f1ee91bd18cd2be33793e0bf446884abc30771

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 rce-pkg-1 (2 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging rce-pkg-1 across your stack and pipelines.

  2. If you installed it — respond

    Remove rce-pkg-1 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 rce-pkg-1 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 rce-pkg-1 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. rce-pkg-1 on npm has been identified as a malicious package (versions 1.0.0, 1.1.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01520

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks rce-pkg-1-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.

rce-pkg-1 (npm) malicious package — MAL-2026-1833 | O3 Security