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Malicious package

testctfproject3npm

Advisory published Updated

testctfproject3 is a confirmed malicious npm package (MAL-2026-1866) that executes malicious code on install (malicious version 0.30.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in testctfproject3 (npm)

MAL-2026-1866
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall testctfproject3

What this malware does

The package testctfproject3 was found to contain malicious code.

Malicious versions

1 flagged
0.30.1

Indicators of compromise (SHA-256)

f7120d5f44f56b959eb3bc39c0848b43943a66fae46fbd5236282b5d757699af
ac5d94cd8502eef9cfde3cf2cf891a6188172c6df1a8bcc20806c7ba15b7855d

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for testctfproject3 (version 0.30.1).

  2. If you installed it — respond

    Remove testctfproject3 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 testctfproject3 was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. testctfproject3 on npm has been identified as a malicious package (version 0.30.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01620

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks testctfproject3-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.

Explore

testctfproject3 (npm) malicious package — MAL-2026-1866 | O3 Security