Red Team
November 17, 202420 min read
GraphQL API Security: Attack Prevention & Best Practices Guide
Secure your GraphQL APIs with this guide covering introspection attacks, query complexity limits, authorization, and preventing common GraphQL vulnerabilities.
A
Asfaleia Team
Security Consultant
90%
Expose Introspection
100x
Query Amplification
Single
Endpoint Attack Surface
0
Rate Limits Default
GraphQL Security Challenges
GraphQL's flexibility creates unique security risks. Introspection, query complexity, and authorization bypass are common attack vectors.
Introspection Risk
Introspection exposes your entire schema including all types, fields, and relationships - valuable reconnaissance for attackers.
Attack Vectors
Phase 1
Introspection
Schema exposure
Phase 2
DoS Attacks
Query complexity
Phase 3
Auth Bypass
Field-level failures
Phase 4
Injection
SQL/NoSQL injection
Security Controls
Query Protection
- Depth limiting
- Complexity analysis
- Timeout configuration
- Rate limiting
Authorization
- Field-level auth
- Directive-based
- Object filtering
- Subscription security
Schema Security
- Disable introspection
- Input validation
- Error sanitization
- Minimal exposure
Defense in Depth
Combine query limits, authorization, and monitoring for comprehensive GraphQL security.
#GraphQL#API Security#Web Security#Introspection#Authorization#Injection
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