Malicious Code Injection in Mysterious Finch AppTea Package

mysterious_finch-apptea Updated 24 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-106071: Malicious code in mysterious_finch-apptea (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 Devnack Your last release was probably never penetration tested Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

The 'mysterious_finch-apptea' package is part of the tea.xyz token reward campaign, which has been known to flood the npm ecosystem with malicious packages. These packages are designed to inflate developer reputation scores by automatically generating and publishing derivative packages with randomized names. The functionality of this package is compromised due to its malicious intent, which poses a significant risk to developers and users relying on its integrity.

Vulnerability Detail

The vulnerability in the 'mysterious_finch-apptea' package stems from its malicious code that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior is intended to pollute the npm registry and can lead to the unintentional installation of compromised packages by developers. 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.

How To Fix

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

npm uninstall mysterious_finch-apptea

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 workaround, you can avoid using the 'mysterious_finch-apptea' package altogether. If it is already included in your project, remove it by running: npm uninstall mysterious_finch-apptea. Additionally, consider using tools like Vulert to monitor your package-lock.json for vulnerabilities.

Conclusion

The 'mysterious_finch-apptea' package poses a significant security risk due to its malicious code designed to manipulate the npm registry. It is crucial for developers to remove this package and utilize monitoring tools like Vulert to safeguard their projects against similar vulnerabilities in the future.

See every vulnerability recorded for mysterious_finch-apptea →

Share this vulnerability

FAQ

It is a package associated with the tea.xyz token reward campaign, known for containing malicious code that affects npm packages.

This vulnerability can lead to the installation of compromised packages, potentially exposing your project to security risks and reputation damage.

You should immediately uninstall the 'mysterious_finch-apptea' package and monitor your project for any unusual behavior.

Yes, Vulert allows you to monitor and alert for open-source vulnerabilities in your software using just your package-lock.json file.

Regularly audit your dependencies, use tools like Vulert for real-time monitoring, and stay updated on security advisories.

How To Fix

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

npm uninstall mysterious_finch-apptea

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