Malicious Code Injection in appalling_falcon_0xrequest Package

appalling_falcon_0xrequest Updated 27 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-99501: Malicious code in appalling_falcon_0xrequest (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 Penetration testing for web, API and mobile Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

The appalling_falcon_0xrequest package is part of the npm ecosystem, which is widely used for JavaScript development. This package is associated with the tea.xyz token reward campaign, which has been known to flood npm with malicious packages. Its primary functionality is to facilitate requests, but it has been compromised to include harmful scripts that manipulate package metadata.

Vulnerability Detail

The vulnerability in the appalling_falcon_0xrequest package arises from the inclusion of malicious code that modifies the package.json file. This code removes private flags, alters version numbers, and generates random package names to inflate developer reputation scores for token rewards. The malicious payload continuously republishes variants, polluting the npm registry and potentially leading to security risks for users who unknowingly install these compromised packages.

How To Fix

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

npm uninstall appalling_falcon_0xrequest

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, avoid using the appalling_falcon_0xrequest package and consider using alternative packages that provide similar functionality without the associated risks.

Conclusion

The appalling_falcon_0xrequest package contains a serious vulnerability due to malicious code that alters package metadata and can lead to security risks. It is crucial to remove this package from your projects and monitor for any updates or patches. Utilizing tools like Vulert can help you stay informed about vulnerabilities in your open-source dependencies.

See every vulnerability recorded for appalling_falcon_0xrequest →

Share this vulnerability

FAQ

It is an npm package that has been compromised to include malicious code aimed at manipulating package metadata and inflating developer reputation scores.

The malicious code can lead to the unintended publication of compromised packages, potentially exposing your project to security vulnerabilities and reputation damage.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check if your application is affected without any signup.

If you have installed the appalling_falcon_0xrequest package, you should uninstall it immediately and look for alternative packages that do not have known vulnerabilities.

Yes, it is advisable to regularly monitor your dependencies for vulnerabilities using tools like Vulert to stay informed about potential risks.

How To Fix

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

npm uninstall appalling_falcon_0xrequest

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