Malicious Code Detected in @schedaero/bacon: Data Exfiltration and Process Termination

@schedaero/bacon Updated 04 Mar 2026

Summary

25/02/2026
CRITICAL
No i
Critical
Not published

MAL-2026-1228: Malicious code in @schedaero/bacon (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 @schedaero/bacon package is a Node.js library available on npm, designed for specific functionalities within the software ecosystem. However, it has been identified with multiple suspicious behaviors, including a preinstall script that exfiltrates sensitive data to an external URL, leading to potential security risks for users who integrate this package into their applications.

Vulnerability Detail

The vulnerability originates from the preinstall script of the @schedaero/bacon package, which is designed to execute before the package is installed. This script has been found to exfiltrate data to a suspicious URL, potentially compromising user data. Additionally, it has the capability to terminate the installation process, which can disrupt application functionality. The presence of these malicious behaviors raises significant security concerns for developers and users relying on this package.

How To Fix

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

npm uninstall @schedaero/bacon

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 @schedaero/bacon package until a secure version is released. Additionally, consider using alternative packages that provide similar functionality without the associated risks.

Conclusion

The @schedaero/bacon package has been identified with serious vulnerabilities due to malicious code that can exfiltrate data and disrupt installations. It is crucial for developers to take immediate action by updating or removing the package and to utilize tools like Vulert for ongoing monitoring of vulnerabilities in their applications.

See every vulnerability recorded for @schedaero/bacon →

Share this vulnerability

FAQ

The primary issue is the presence of a malicious preinstall script that exfiltrates data to a suspicious URL and can terminate the installation process.

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

If you are using @schedaero/bacon, it is recommended to update the package to the latest version or consider removing it until a secure version is available.

Yes, there are several alternative packages available on npm that provide similar functionalities without the associated security risks. Research and evaluate these alternatives based on your project requirements.

Regularly update your dependencies, monitor for vulnerabilities using tools like Vulert, and conduct security audits of your codebase to enhance your application's security.

How To Fix

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

npm uninstall @schedaero/bacon

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