Malicious Code Vulnerability in bigmathutils: A Threat to Python Package Users

bigmathutils Updated 19 Mar 2026

Summary

18/03/2026
CRITICAL
No i
Critical
Not published

MAL-2026-1897: Malicious code in bigmathutils (PyPI). Affects bigmathutils versions 0.0.1 – 0.0.3. 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 Lume, the Habilume companion Habilume Habit tracker with a companion that grows with you Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent. App Store Google Play

Background

bigmathutils is a Python package available on PyPI that provides mathematical utilities for developers. It is designed to simplify complex mathematical operations and enhance productivity. However, recent findings have revealed that certain versions of this package contain malicious code, posing significant risks to users who rely on it for their applications.

Vulnerability Detail

The vulnerability in bigmathutils originates from malicious code embedded within the package. This code can potentially compromise user systems, leading to unauthorized access, data breaches, or other harmful actions. The affected versions include 0.0.1, 0.0.2, and 0.0.3, which were identified as containing this malicious payload. Users who have installed these versions are at risk of exploitation.

How To Fix

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

pip uninstall bigmathutils

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 measure, users can uninstall the affected versions of bigmathutils by executing the command: 'pip uninstall bigmathutils'. This will remove the malicious package from their environment until a safe version is available.

Conclusion

The discovery of malicious code in the bigmathutils package highlights the importance of vigilance when using open-source software. Users are advised to update their installations promptly and utilize tools like Vulert for ongoing security monitoring.

See every vulnerability recorded for bigmathutils →

Share this vulnerability

FAQ

The affected versions include 0.0.1, 0.0.2, and 0.0.3.

You can use Vulert's playground at Vulert Scanner to check if your application is affected without needing to sign up.

You should uninstall the affected version and update to a patched version as soon as possible.

Detailed information can be found on the GitHub repository of the malicious packages.

Yes, Vulert offers real-time monitoring and alerts for open-source vulnerabilities using just the Pipfile.lock.

Sponsored Lume, the Habilume companion Habilume Habit tracker with a companion that grows with you Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent. App Store Google Play

How To Fix

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

pip uninstall bigmathutils

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