Malicious Code Detected in capchi: A Critical npm Vulnerability

capchi Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-16508: Malicious code in capchi (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 package 'capchi' is an npm library designed for specific functionalities within JavaScript applications. It is utilized for various tasks, but its recent discovery of malicious code poses a significant threat to users. This vulnerability can lead to unauthorized access or manipulation of user data, making it crucial for developers to address this issue promptly.

Vulnerability Detail

The vulnerability in the 'capchi' package originates from the inclusion of malicious code that can compromise the security of applications utilizing this library. This code can potentially allow attackers to execute unauthorized actions, leading to data breaches or other malicious activities. The issue affects all versions of the package starting from version 0, making it imperative for users to take immediate action.

How To Fix

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

npm uninstall capchi

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, consider removing the 'capchi' package from your project until a secure version is released. You can do this by executing the following command: npm uninstall capchi.

Conclusion

The discovery of malicious code in the capchi package highlights the importance of maintaining secure dependencies in software development. Users must take immediate action to mitigate risks associated with this vulnerability by updating or removing the affected package.

See every vulnerability recorded for capchi →

Share this vulnerability

FAQ

The vulnerability involves malicious code embedded within the capchi package, which can lead to unauthorized access and data manipulation.

You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without any signup.

If you are using capchi, it is recommended to uninstall the package until a secure version is released or to update it as soon as a patch is available.

Regularly monitor your dependencies using tools like Vulert, which can alert you to vulnerabilities in real-time.

Failing to address this vulnerability can lead to severe security breaches, data loss, and compromised application integrity.

How To Fix

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

npm uninstall capchi

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