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security-fastapi

Audit FastAPI dependencies and middleware for security misconfigurations.

7|2|Updated Jan 18, 2026
Search Tags:#security#authentication#fastapi#audit#middleware#cors#trustedhost
One-click install
npx skills add https://github.com/jal-co/jalco-opencode --skill security-fastapi-jal-co
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: security-fastapi
Source: https://github.com/jal-co/jalco-opencode/tree/main/opencode/.config/opencode/skills/security-fastapi
Command: npx skills add https://github.com/jal-co/jalco-opencode --skill security-fastapi-jal-co

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires rg, and includes scripts (resource) components.

What problem does it solve?

Auditors and developers struggle to identify misconfigurations and gaps in FastAPI security, including authentication dependencies, CORS settings, and TrustedHost middleware.

Core Features & Use Cases

  • Audit dependencies and middleware: Detect missing or weak authentication integrations and insecure middleware ordering.
  • CORS and credentials checks: Validate allowed origins and credential handling to prevent leaks.
  • Configuration recommendations: Provide actionable remediation guidance for security hardening and compliance.

Quick Start

Audit a FastAPI project by running the scanner against the codebase and review the prioritized list of issues with remediation steps.

Frequently Asked Questions about security-fastapi

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I audit FastAPI security configurations for missing authentication and CORS issues?▼

You can audit FastAPI security by scanning your codebase to identify missing authentication dependencies, unsafe CORS configurations, and weak TrustedHost middleware, generating a prioritized list of issues with concrete remediation steps.

What are common FastAPI security misconfigurations with middleware and dependencies?▼

Common FastAPI security misconfigurations include missing or weak authentication dependencies, insecure middleware ordering, improper API key handling, and unsafe CORS credential handling that can lead to data leaks.

Does this security audit work with FastAPI projects of varying sizes?▼

Yes, this security audit applies to FastAPI projects of varying sizes, systematically checking route authentication, CORS allowed origins, and host/header protections regardless of the codebase scale.

How do I check my FastAPI app for proper API key handling and TrustedHost middleware?▼

You can check your FastAPI app by applying a security audit that enforces checks for proper API key handling, validates TrustedHost and HTTPS middleware scenarios, and provides actionable hardening recommendations.

What is the best way to fix insecure CORS settings in a FastAPI application?▼

The best way to fix insecure CORS settings is to run a security audit that validates allowed origins and credential handling, then apply the provided actionable remediation guidance for safe configuration and compliance.

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