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Malicious package

capes-uinpm

Advisory published Updated

capes-ui is a confirmed malicious npm package (MAL-2025-49400) that executes malicious code on install (malicious versions 10.0.7, 10.0.8). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in capes-ui (npm)

MAL-2025-49400
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall capes-ui

What this malware does

The package capes-ui was found to contain malicious code.

Malicious versions

2 flagged
10.0.710.0.8

Indicators of compromise (SHA-256)

8a6f39dd3b6ae0e4941ca23e3a41820dc7a088eeaaa0d56622174d29ae219f72
a650e5bd18d5c77aec6c6a920a0e30a648f58673867b1c5e031155e8bdc28285

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for capes-ui (2 malicious versions).

  2. If you installed it — respond

    Remove capes-ui 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 capes-ui 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. capes-ui on npm has been identified as a malicious package (versions 10.0.7, 10.0.8 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-06079

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks capes-ui-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

capes-ui (npm) malicious package — MAL-2025-49400 | O3 Security