GameChanger: AI-Powered Vulnerability Detection & Auto-Fix Tool for Developers

Sankalp Satpute — Sat, 21 Mar 2026 09:18:08 +0000

**In modern software development, security vulnerabilities often go unnoticed until they cause serious issues.

In this project, we built GameChanger, an AI-powered tool that not only detects vulnerabilities in Python code but also suggests secure fixes using Large Language Models.

Let’s explore how it works and how you can build something similar.**

🔐 Building an Intelligent Code Security Tool with AI

In today’s fast-paced software development world, security is often overlooked until it becomes a serious problem. Developers frequently focus on functionality and deadlines, unintentionally introducing vulnerabilities into their code.

To address this challenge, we built GameChanger — an AI-powered system that not only detects security vulnerabilities in code but also suggests intelligent fixes automatically.

This project combines static code analysis with Large Language Models (LLMs) to create a smart, developer-friendly security assistant.

💡 The Idea Behind GameChanger

Traditional tools like static analyzers can detect issues, but they don’t always help developers understand or fix them efficiently.

We asked a simple question:
👉 What if a system could not only detect vulnerabilities but also fix them automatically?

That’s where GameChanger comes in.

It acts as:

A security scanner
An AI-powered assistant
A learning tool for developers

⚙️ Key Features

🔍 1. Security Scanning with Bandit

GameChanger uses Bandit, a widely used static analysis tool, to scan Python code for common vulnerabilities such as:

Hardcoded passwords
Unsafe function usage (e.g., eval)
Injection risks

🤖 2. AI-Powered Fix Generation

Once vulnerabilities are detected, the system uses OpenAI’s GPT model to:

Explain the issue clearly
Suggest secure alternatives
Provide corrected code

This reduces debugging time significantly.

🖥️ 3. Modern User Interface

The application is built using Streamlit, offering:

Clean and interactive UI
Dark theme for better readability
Easy navigation for users

📂 4. File Upload Support

Users can simply upload a .py file and:

Scan it instantly
View vulnerabilities
Get fixes in seconds

🔐 5. **Secure API Handling

**
Security is also maintained within the system:

API keys are stored using environment variables
No sensitive data is hardcoded

🛠️ Tech Stack

The project integrates multiple technologies:

Python – Core programming language
Streamlit – Frontend UI framework
Bandit – Static security analyzer
OpenAI API – AI-based fix generation

🧠 How It Works

The workflow of GameChanger is simple yet powerful:

User uploads a Python file
Bandit scans the code for vulnerabilities
Detected issues are captured
The code + issues are sent to the AI model
AI generates:

Explanation
Secure fixed code
1. Results are displayed in the UI

▶️ Installation & Setup

Prerequisites

Python 3.8 or higher
OpenAI API key

Step 1: Clone the Repository

git clone <repository-url>
cd medcine

Step 2: Install Dependencies

pip install -r requirements.txt

Step 3: Set Up API Key

Windows:

set OPENAI_API_KEY=your_openai_api_key_here

Linux/Mac:

export OPENAI_API_KEY=your_openai_api_key_here

Step 4: Run the Application

streamlit run app.py

The app will run on:
👉 http://localhost:8501

🧪 Example

Input Code:

password = "12345"
eval("print('Hello')")

Output:

Detects hardcoded password
Flags unsafe eval() usage
Suggests secure alternatives
Provides corrected code

📁** Project Structure**

medcine/
├── app.py
├── fixer.py
├── Scanner.py
├── utils.py
├── requirements.txt
└── README.md

🔐 Security Considerations

While building GameChanger, we ensured:

API keys are not exposed
Sensitive data is handled securely
Temporary files are cleaned automatically

🚀 *Future Enhancements
*
This project has strong potential for expansion:

Multi-language support (Java, C++)
GitHub repository scanning
Vulnerability severity classification
Automated report generation (PDF)
Integration with CI/CD pipelines

🎯 *Learning Outcomes
*
Through this project, we gained experience in:

AI integration in real-world applications
Secure coding practices
Building interactive web apps
Combining DevSecOps concepts with AI

👨‍💻** Authors**

Sankalp Satpute

🤝 Contribution

We welcome contributions and improvements.
Feel free to fork the repository and build upon this idea!

⭐ *Final Thoughts
*
GameChanger demonstrates how AI can transform software security. Instead of just identifying problems, systems like this can actively assist developers in solving them.

As AI continues to evolve, tools like GameChanger could become an essential part of every developer’s workflow.

🔗 Check out the project on GitHub and try it yourself!

sankalpsatpute / GameChanger-AI-Powered-Vulnerability-Detection-Automated-Code-Fixing

AI-based tool that detects security vulnerabilities in source code and generates automated fixes using LLMs. Built with Python, Bandit, and Streamlit.

GameChanger - AI-Powered Vulnerability Detection & Fix Generator

A Streamlit-based application that scans Python code for security vulnerabilities using Bandit and generates AI-powered fixes using OpenAI's GPT models.

Features

Security Scanning: Uses Bandit to detect security vulnerabilities in Python code
AI Fix Generation: Leverages OpenAI GPT-4o-mini to generate secure code fixes
Modern UI: Clean Streamlit interface with dark theme
File Upload: Support for uploading Python files for analysis
Secure: Uses environment variables for API keys

Installation & Setup

Prerequisites

Python 3.8 or higher
OpenAI API key

1. Clone/Download the Project

# If using git
git clone <repository-url>
cd medcine

# Or extract the zip file to a folder

2. Install Dependencies

pip install -r requirements.txt

3. Set Up OpenAI API Key

Option A: Environment Variable (Recommended)

# Windows
set OPENAI_API_KEY=your_openai_api_key_here

# Linux/Mac
export OPENAI_API_KEY=your_openai_api_key_here

Option B: Create .env file

Create a .env file…

View on GitHub

DEV Community: Sankalp Satpute

GameChanger: AI-Powered Vulnerability Detection & Auto-Fix Tool for Developers

🔐 Building an Intelligent Code Security Tool with AI

💡** The Idea Behind GameChanger**

⚙️** Key Features**

🔍 1. Security Scanning with Bandit

🤖 2.** AI-Powered Fix Generation**

🖥️ 3. Modern User Interface

📂 4.** File Upload Support**

🔐 5. **Secure API Handling

🛠️ Tech Stack

🧠** How It Works**

▶️ Installation & Setup

Prerequisites

Step 1: Clone the Repository

Step 2: Install Dependencies

Step 3: Set Up API Key

Windows:

Linux/Mac:

Step 4: Run the Application

sankalpsatpute / GameChanger-AI-Powered-Vulnerability-Detection-Automated-Code-Fixing

AI-based tool that detects security vulnerabilities in source code and generates automated fixes using LLMs. Built with Python, Bandit, and Streamlit.

GameChanger - AI-Powered Vulnerability Detection & Fix Generator

Features

Installation & Setup

Prerequisites

1. Clone/Download the Project

2. Install Dependencies

3. Set Up OpenAI API Key

Option A: Environment Variable (Recommended)

Option B: Create .env file

💡 The Idea Behind GameChanger

⚙️ Key Features

🤖 2. AI-Powered Fix Generation

📂 4. File Upload Support

🧠 How It Works