Dev.to
7/7/2026

The original title is "Securing a FastAPI Backend with Bandit: A Real SAST Analysis"
Original: Securing a FastAPI Backend with Bandit: A Real SAST Analysis
Short summary
Bandit is a popular open-source Python SAST tool that catches security vulnerabilities by static code analysis. This tutorial walks through installing Bandit, scanning a real FastAPI backend (2,410 lines), and fixing critical findings like disabled SSL verification and insecure temp file usage. The tool discovered 58 issues in under 2 seconds and integrates with CI/CD pipelines and pre-commit hooks.
- •Bandit is an open-source Python SAST tool that finds security flaws through static code analysis without execution
- •Tutorial demonstrates scanning a real FastAPI backend: 58 total issues found (2 high severity, 1 medium, 55 low), including SSL cert verification disabled and insecure /tmp directories
- •Tool provides CI/CD integration (GitHub Actions, GitLab CI, Jenkins), IDE plugins (VS Code, PyCharm), and pre-commit hook support
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