Malicious Code Injection in weak_walrus_dumbs Package

weak_walrus_dumbs Updated 18 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-110768: Malicious code in weak_walrus_dumbs (npm). Affected versions are not published. No fix is published. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats
SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml
Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile
Javascript package-lock.json · yarn.lock · pnpm-lock.yaml
PHP composer.lock
Python poetry.lock · requirements.txt · Pipfile.lock
Go go.mod
Rust Cargo.lock
Ruby Gemfile.lock
Dart pubspec.lock
C/C++ conan.lock
Elixir mix.lock
Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Sponsored MarkAI Find prospects already talking about the problem you solve AI watches the communities your customers use to find qualified prospects, then alerts you when a conversation is worth joining. See MarkAI

Background

The weak_walrus_dumbs package is part of a series of npm packages that have been associated with the tea.xyz token reward campaign. These packages are designed to manipulate the npm registry by creating and publishing derivative packages with randomized names. The primary functionality of these packages is to inflate developer reputation scores in exchange for token rewards, which poses a significant risk to the integrity of the npm ecosystem.

Vulnerability Detail

The vulnerability in the weak_walrus_dumbs package stems from its malicious payload, which modifies the package.json file to remove private flags and alters version numbers. This allows the package to generate random names, often themed around Indonesian culture, and continuously republish variants to the npm registry. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which employs autopublish scripts to automate the creation of these malicious packages. The ramifications include potential pollution of the npm registry, compromising the security of other packages, and damaging the reputation of developers associated with these packages.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall weak_walrus_dumbs

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

As a temporary workaround, you can avoid using the weak_walrus_dumbs package and monitor your package-lock.json file for any unauthorized changes. Regularly audit your dependencies using npm audit to identify and address vulnerabilities.

Conclusion

The weak_walrus_dumbs package poses a significant risk due to its malicious code that manipulates the npm registry. It is crucial for developers to be vigilant about the packages they use and to take immediate action to remove any compromised packages. Regular audits and updates can help maintain the security of your applications.

See every vulnerability recorded for weak_walrus_dumbs →

Share this vulnerability

FAQ

The weak_walrus_dumbs package is an npm package associated with the tea.xyz token reward campaign, designed to manipulate the npm registry.

The vulnerability can lead to the pollution of the npm registry, potentially compromising the integrity of your application and other packages.

You should uninstall the weak_walrus_dumbs package immediately and audit your dependencies for any other vulnerabilities.

Yes, you can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.

Regularly update your dependencies, use trusted packages, and monitor your package-lock.json file for unauthorized changes.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall weak_walrus_dumbs

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback