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Malicious package

cursed-modulenpm

Advisory published Updated

cursed-module is a confirmed malicious npm package (MAL-2026-2348) that executes malicious code on install (malicious versions 1.23.500, 2.14.800, 2.14.801…). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in cursed-module (npm)

MAL-2026-2348
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall cursed-module

What this malware does

The package cursed-module was found to contain malicious code.

Malicious versions

4 flagged
1.23.5002.14.8002.14.8013.45.101

Indicators of compromise (SHA-256)

1664ad5dd35a798a58c0f2d90f8d71fd0202d7be936e372fcf7ca3af7b4ee758
8f33e4c756bc2b6484a9c8ddc7510e2b7e3dfee1ba963a77d610e61c2c897821

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for cursed-module (4 malicious versions).

  2. If you installed it — respond

    Remove cursed-module 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 cursed-module 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. cursed-module on npm has been identified as a malicious package (versions 1.23.500, 2.14.800, 2.14.801, 3.45.101 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01735

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks cursed-module-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

cursed-module (npm) malicious package — MAL-2026-2348 | O3 Security