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Malicious package

@oku-ui/collapsiblenpm

Malicious code in @oku-ui/collapsible (npm) Remove it immediately and rotate any exposed credentials.

MAL-2025-191253
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @oku-ui/collapsible

What this malware does

The package @oku-ui/collapsible was found to contain malicious code.

This package was compromised by the Sha1-Hulud: The Second Coming NPM worm. The malicious payload steals tokens and credentials and publishes them to GitHub. The worm will propogate itself to NPM packages the user owns and establish persistence is a GitHub action. The package may also destroy the user's home directory.

Malicious versions

1 flagged
0.6.2

Indicators of compromise (SHA-256)

813474755d021be503f467332c90f7705d89ae748577600c39c39b9a56161c9e
3927dbf1a0475d32a8f74937162145265ff8f50b4f0352cf6400bbf9ba4b5dc1

Detection & response playbook

Credential / info stealer

  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for @oku-ui/collapsible (version 0.6.2). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging @oku-ui/collapsible across your stack and pipelines.

  2. If you installed it — respond

    @oku-ui/collapsible is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If @oku-ui/collapsible 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 @oku-ui/collapsible 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. @oku-ui/collapsible on npm has been identified as a malicious package (version 0.6.2 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks @oku-ui/collapsible-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Malware detection Runtime egress monitoring