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Malicious package

reacptjsnpm

Malicious code in reacptjs (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-7363
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall reacptjs

Malicious versions

3 flagged
1.1.21.1.48.7.6

Indicators of compromise (SHA-256)

4fc117e42107dbac8527b7625544e3239718f5367841db56d4d63936037f7363

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 reacptjs (3 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging reacptjs across your stack and pipelines.

  2. If you installed it — respond

    Remove reacptjs 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 reacptjs 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 reacptjs 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. reacptjs on npm has been identified as a malicious package (versions 1.1.2, 1.1.4, 8.7.6 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-05254

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks reacptjs-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.

reacptjs (npm) malicious package — MAL-2026-7363 | O3 Security