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Part of a larger attack: @actbase published 15 malicious packages. See the full campaign →
Malicious package

@actbase/react-native-naver-loginnpm

Advisory published Updated

@actbase/react-native-naver-login is a confirmed malicious npm package (MAL-2025-190711) that steals credentials and exfiltrates sensitive data (malicious version 1.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @actbase/react-native-naver-login (npm)

MAL-2025-190711
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @actbase/react-native-naver-login

What this malware does

The package @actbase/react-native-naver-login was found to contain malicious code.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

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
1.0.1

Indicators of compromise (SHA-256)

26a95a29f060be069c1e24cc3d3d752200f9d123d6d619f44c0d00ce7225e1d5
20b3259789ec3c0e90767b9f76d1f7d825f89fba1d5810692ec87ae4567f698e
c38e1c86139837a539d4c093bb53bcf3a43c2ebfc8ca00f549b91a3ab88d13f8
2305aed390770d79682417161b8a90352de0ea5a71c3b53f541efa76fca05290

Detection & response playbook

Credential / info stealer

  1. Find it

    Search your lockfiles and build artifacts for @actbase/react-native-naver-login (version 1.0.1).

  2. If you installed it — respond

    @actbase/react-native-naver-login 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 @actbase/react-native-naver-login 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. @actbase/react-native-naver-login on npm has been identified as a malicious package (version 1.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GHSA-5hx4-5j88-fjrw

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks @actbase/react-native-naver-login-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

Explore

All malware advisories How O3 detects malware Vulnerability database
@actbase/react-native-naver-login (npm) malicious package — MAL-2025-190711 | O3 Security