How to scan your GitHub repo for security issues

Last updated: March 16, 2026 · Written by the RepoVault Security Team

Scanning your GitHub repository for security issues is the process of running an automated vulnerability analysis on your codebase to find exposed secrets, injection risks, insecure configurations, and outdated dependencies. With RepoVault, it takes about 60 seconds and requires zero coding knowledge.

According to GitGuardian, over 12.8 million secrets were leaked on GitHub in 2023 alone. The Verizon DBIR 2024 found that web application attacks account for roughly 26% of all breaches. Running a security scan is the fastest way to know if your app has these problems.

Step-by-step: Scan your repo in 60 seconds

Step 1: Go to RepoVault

Open repovault.co in your browser. No account is required for your first free scan.

Step 2: Paste your repository URL

Copy your GitHub repository URL — for example, github.com/yourname/yourproject — and paste it into the scan input field on the homepage. Both public and private repos are supported.

Step 3: Start the scan

Click the “Scan for Free” button. RepoVault will analyze your repository's source code, dependencies, and configuration files for security vulnerabilities.

Step 4: Wait for results (about 60 seconds)

The scan typically completes in 30 to 90 seconds depending on repo size. You'll see a real-time progress indicator while your code is analyzed.

Step 5: Review your security score

You'll receive a security score out of 100 with a letter grade from A to F. The report breaks down each vulnerability by severity — critical, high, medium, and low — with plain-English explanations of what's wrong and why it matters.

Step 6: Fix vulnerabilities with suggested patches

Each vulnerability comes with a suggested fix. On Pro and Scale plans, use the one-click “Fix It” button for copy-paste ready code patches. No security expertise needed.

What the scan checks

• Hardcoded secrets — API keys, tokens, and passwords in your source code
• Injection vulnerabilities — SQL injection, NoSQL injection, command injection
• Cross-site scripting (XSS) — Unescaped user input in rendered pages
• Authentication issues — Weak JWT implementations, missing CSRF protection
• Dependency vulnerabilities — Outdated npm packages with known CVEs
• Security headers — Missing Content-Security-Policy, HSTS, and more
• Database misconfigurations — Disabled RLS rules, exposed admin endpoints
• Environment leaks — .env files in git history, exposed environment variables

Why this matters for vibe coders

If you're building with AI tools like Cursor, Bolt, Lovable, or v0, you're shipping code that works — but “works” doesn't mean “secure.” A Stanford study found that developers using AI coding assistants produced less secure code while believing it was more secure. Scanning is how you close that gap.

Frequently asked questions

How do I scan my GitHub repo for security issues?

Go to repovault.co, paste your GitHub repository URL, and click “Scan for Free.” The scan takes about 60 seconds and produces a scored vulnerability report with fix suggestions. No coding or security expertise required.

Is it safe to scan my private repository?

Yes. RepoVault uses read-only GitHub access to analyze your code. Your source code is not stored after the scan completes. The scanner only reads your code to generate the vulnerability report.

Does scanning my repo require any installation?

No. RepoVault is a web-based scanner. You don't need to install any packages, CLI tools, or GitHub Apps. Just paste your repo URL and scan.