Professional GraphQL Security Testing Services

GraphQL APIs Tested

Had GraphQL Vulnerabilities

Security Report Delivery

GraphQL Issues Found

GraphQL APIs vulnerable to exploitation

Have introspection enabled

Missing query depth limits

Average GraphQL breach cost

🔍 GraphQL Introspection Testing

GraphQL introspection testing examines introspection queries exposing schema exposure. We test GraphQL introspection security testing identifying enabled introspection queries in production, schema exposure revealing all types and fields, field suggestion exposing sensitive field names, and GraphQL schema testing vulnerabilities. Our GraphQL vulnerability assessment identifies introspection security gaps including unrestricted introspection queries enabling complete schema enumeration, field suggestion revealing hidden fields, schema exposure disclosing business logic, type enumeration discovering sensitive types, directive exposure, and GraphQL schema exposure testing failures enabling attackers to map entire API structure, discover hidden endpoints, identify sensitive fields, enumerate all types and mutations, plan targeted attacks, and achieve information disclosure through schema exposure requiring proper GraphQL introspection testing disabling introspection queries in production or implementing authentication for introspection.

Testing Focus: Introspection queries, schema exposure, field suggestion, type enumeration, directive exposure.

📊 Query Complexity Testing

GraphQL query complexity testing examines query complexity attacks causing resource exhaustion through nested queries. We test GraphQL query complexity testing validating query depth limits, depth limiting implementation, complexity analysis, and query costing. Our GraphQL penetration testing identifies query complexity vulnerabilities including unlimited query depth enabling deeply nested queries, missing depth limiting allowing circular queries, inadequate complexity analysis, insufficient query costing, and GraphQL nested query testing gaps enabling attackers to craft complex queries causing resource exhaustion, achieve denial of service through nested queries and circular queries, bypass query depth limits, exploit aliasing attacks multiplying query execution, and cause server crashes through query complexity attacks requiring proper GraphQL depth limit testing, depth limiting enforcement, complexity analysis implementation, query costing, and rate limiting.

Testing Focus: Query depth, nested queries, circular queries, complexity analysis, query costing, depth limiting.

🔁 Batching Attack Testing

GraphQL batching attack testing examines batching attacks and aliasing attacks causing denial of service. We test GraphQL batching attack testing validating batch query limits, alias restrictions, and rate limiting. Our GraphQL API testing identifies batching vulnerabilities including unlimited batch queries enabling mass operations, unrestricted aliasing attacks duplicating queries, missing rate limiting on batched requests, and batch authentication bypass enabling attackers to execute thousands of queries in single request, amplify attacks through aliasing attacks, cause denial of service through batching attacks, exhaust server resources through aliased queries, bypass rate limiting using batches, and achieve resource exhaustion requiring proper GraphQL rate limiting testing, batch size limits, alias restrictions, and comprehensive batching attack prevention through rate limiting and query costing validation.

Testing Focus: Batch queries, aliasing attacks, query amplification, rate limiting, batch size limits.

💉 GraphQL Injection Testing

GraphQL injection testing examines injection attacks through GraphQL resolvers. We test GraphQL injection vulnerability testing identifying NoSQL injection, SQL injection, SSRF attacks, and injection attacks in resolvers. Our GraphQL security assessment identifies injection vulnerabilities including SQL injection through GraphQL arguments, NoSQL injection in database queries, SSRF attacks through resolver logic, command injection in resolvers, path traversal through file resolvers, and GraphQL injection testing gaps enabling attackers to inject malicious payloads through GraphQL queries, achieve SQL injection accessing databases, exploit NoSQL injection manipulating data, leverage SSRF attacks accessing internal services, execute commands through injection attacks, and compromise backend systems requiring proper GraphQL injection vulnerability testing, input validation in resolvers, parameterized queries, and comprehensive resolver security validation.

Testing Focus: SQL injection, NoSQL injection, SSRF attacks, command injection, resolver injection.

🔐 Authentication Testing

GraphQL authentication testing examines authentication bypass and authentication security. We test GraphQL authentication bypass testing validating authentication mechanisms, token validation, and session security. Our GraphQL security testing identifies authentication vulnerabilities including authentication bypass through mutation abuse, missing authentication on queries, weak token validation, authentication logic flaws in resolvers, session hijacking through GraphQL, and GraphQL authentication testing failures enabling attackers to bypass authentication accessing protected queries, exploit authentication logic in resolvers, forge authentication tokens, hijack sessions through GraphQL endpoints, access authenticated mutations without credentials, and achieve unauthorized access requiring proper GraphQL authentication testing validation, resolver-level authentication checks, secure token implementation, and comprehensive authentication security throughout GraphQL API ensuring authentication on all resolvers and mutations.

Testing Focus: Authentication bypass, token validation, resolver authentication, session security, mutation abuse.

🛡️ Authorization Testing

GraphQL authorization testing examines authorization bypass and authorization logic. We test GraphQL authorization bypass testing validating field-level authorization, resolver authorization, and authorization security. Our GraphQL API penetration testing identifies authorization vulnerabilities including authorization bypass accessing restricted fields, missing authorization on resolvers, weak field-level authorization, authorization logic flaws, and information disclosure through unauthorized queries enabling attackers to bypass authorization accessing sensitive fields, exploit weak resolver security, query restricted data without permissions, leverage authorization bypass for privilege escalation, access other users’ data, and achieve complete information disclosure requiring proper GraphQL authorization testing validation, field-level authorization enforcement, resolver authorization checks, and comprehensive authorization logic ensuring proper access control throughout GraphQL schema.

Testing Focus: Authorization bypass, field-level authorization, resolver authorization, privilege escalation.

🔄 Mutation Security Testing

GraphQL mutation testing examines mutation security and mutation validation. We test GraphQL mutation security testing validating input validation, mutation authorization, and resolver security for mutations. Our GraphQL security audit identifies mutation vulnerabilities including missing mutation validation, weak mutation authorization, mutation injection attacks, mutation batching abuse, and GraphQL mutation testing gaps enabling attackers to inject malicious data through mutations, bypass mutation authorization, exploit mutation resolvers for injection attacks, abuse mutation batching for denial of service, manipulate data through unvalidated mutations, and achieve unauthorized data modification requiring proper GraphQL mutation testing validation, mutation input validation, mutation authorization enforcement, resolver security for mutations, and comprehensive mutation security ensuring proper validation and authorization on all mutations.

Testing Focus: Mutation validation, mutation authorization, mutation injection, mutation batching, resolver security.

📡 Subscription Security Testing

GraphQL subscription testing examines subscription security and subscription authorization. We test GraphQL subscription security testing validating subscription authentication, subscription authorization, and subscription rate limiting. Our GraphQL vulnerability assessment identifies subscription vulnerabilities including missing subscription authentication, weak subscription authorization, unlimited subscription connections, subscription flooding, and GraphQL subscription testing failures enabling attackers to subscribe without authentication, access unauthorized subscription data, create unlimited subscriptions causing resource exhaustion, flood servers with subscription requests, and achieve denial of service through subscription abuse requiring proper GraphQL subscription testing validation, subscription authentication enforcement, subscription authorization checks, subscription rate limiting, and comprehensive subscription security ensuring proper access control and resource limits on all subscriptions.

Testing Focus: Subscription authentication, subscription authorization, subscription rate limiting, subscription flooding.

⚠️ Error Message Testing

GraphQL error message testing examines error messages and stack traces exposure. We test GraphQL error message testing validating error sanitization, stack trace removal, and information disclosure prevention. Our GraphQL security evaluation identifies error message vulnerabilities including detailed error messages revealing stack traces, error messages exposing internal paths, stack traces disclosing technology versions, error messages revealing database structures, and GraphQL field suggestion through errors enabling attackers to discover sensitive information through error messages, map internal architecture via stack traces, identify technology versions, discover database schemas, enumerate fields through error analysis, and achieve information disclosure requiring proper GraphQL error message testing sanitization, generic error messages in production, stack trace removal, and comprehensive error handling preventing sensitive data exposure through error messages.

Testing Focus: Error messages, stack traces, information disclosure, error sanitization, generic errors.

⚡ Rate Limiting Testing

GraphQL rate limiting testing examines rate limiting implementation and query costing. We test GraphQL rate limiting testing validating rate limits, query costing implementation, and complexity analysis. Our GraphQL API testing identifies rate limiting vulnerabilities including missing rate limiting on GraphQL endpoint, inadequate query costing, weak complexity analysis, batch query bypass of rate limits, and GraphQL rate limiting testing failures enabling attackers to send unlimited queries causing resource exhaustion, bypass rate limiting through batching attacks, exploit missing query costing, achieve denial of service through query flooding, exhaust API resources, and cause server overload requiring proper GraphQL rate limiting testing implementation, query costing validation, complexity analysis enforcement, rate limiting on batches, and comprehensive rate limiting ensuring protection against denial of service and resource exhaustion attacks.

Testing Focus: Rate limiting, query costing, complexity analysis, batch rate limits, DoS prevention.

GraphQL Security Specialists

Our team specializes in GraphQL security testing with extensive GraphQL penetration testing expertise. They have performed 2,800+ comprehensive GraphQL vulnerability assessment projects identifying 19,000+ GraphQL vulnerabilities. Our certified GraphQL API testing experts understand introspection queries, schema exposure, query complexity, nested queries, batching attacks, GraphQL injection testing, GraphQL authentication testing, GraphQL authorization testing, and all GraphQL-specific vulnerabilities ensuring comprehensive GraphQL security audit and complete GraphQL API penetration testing services coverage.

GraphQL-Specific Testing

GraphQL vulnerabilities differ from REST APIs requiring specialized testing. Our expert manual GraphQL security testing discovers introspection queries exposing schemas, query complexity attacks through nested queries and circular queries, batching attacks and aliasing attacks, GraphQL injection vulnerability testing, authentication bypass, authorization bypass, and all GraphQL-specific attack vectors that REST API scanners miss ensuring complete GraphQL vulnerability assessment, thorough GraphQL introspection testing, and comprehensive GraphQL API testing across all resolver security, mutation security, and subscription security vectors.

Complete Attack Coverage

Our GraphQL penetration testing includes comprehensive attack testing including GraphQL introspection security testing, schema exposure testing, GraphQL query complexity testing with nested queries and circular queries, GraphQL batching attack testing, GraphQL injection vulnerability testing identifying injection attacks and NoSQL injection and SQL injection and SSRF attacks, GraphQL authentication bypass testing, GraphQL authorization bypass testing, GraphQL mutation security testing, GraphQL subscription security testing, and complete GraphQL security evaluation ensuring proper depth limiting, rate limiting, query costing, complexity analysis, persisted queries, and query whitelisting implementation.

Schema Discovery

API Reconnaissance:

• GraphQL endpoint identification for security testing
• Introspection queries testing for schema exposure
• GraphQL schema testing discovery
• Field suggestion enumeration
• Type and directive mapping
• Resolver architecture analysis

Query Testing

Query Security:

• GraphQL query complexity testing with nested queries
• GraphQL depth limit testing validation
• Circular queries and aliasing attacks
• GraphQL batching attack testing comprehensive
• GraphQL rate limiting testing validation
• Query costing and complexity analysis

Security Testing

Vulnerability Assessment:

• GraphQL injection vulnerability testing complete
• GraphQL authentication bypass testing
• GraphQL authorization bypass testing
• GraphQL mutation security testing
• GraphQL subscription security testing
• Resolver security validation

Report & Remediation

Documentation:

• GraphQL security audit report with all findings
• Schema exposure remediation guidance
• Depth limiting and rate limiting recommendations
• Resolver security hardening instructions
• Authentication and authorization fixes
• 60-day support and re-testing

Basic GraphQL Testing

Essential GraphQL security

Simple GraphQL APIs

• Basic GraphQL security testing
• Introspection testing
• Query complexity testing
• Schema exposure testing
• GraphQL security report
• 30-day support

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Professional GraphQL Testing

Comprehensive GraphQL security

Most GraphQL APIs

• Complete GraphQL vulnerability assessment
• GraphQL introspection security testing
• Query complexity & nested queries testing
• GraphQL batching attack testing
• GraphQL injection vulnerability testing
• GraphQL authentication bypass testing
• GraphQL authorization bypass testing
• Mutation & subscription security testing
• Rate limiting & depth limit testing
• Resolver security validation
• Executive presentation
• 60-day support
• One free re-test

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Enterprise GraphQL Security

Complete GraphQL penetration testing

Complex enterprise GraphQL

• Complete GraphQL penetration testing coverage
• Advanced introspection & schema exposure testing
• Comprehensive query complexity testing
• All batching & aliasing attacks testing
• Advanced GraphQL injection testing
• Complete authentication & authorization testing
• Mutation & subscription security comprehensive
• Resolver security audit complete
• Rate limiting & complexity analysis validation
• Persisted queries & query whitelisting testing
• Schema stitching security
• Complete GraphQL security evaluation
• Executive presentation with Q&A
• 90-day premium support
• Unlimited re-testing

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SafetyBis GraphQL security testing discovered our schema was exposed through introspection queries. Their query complexity testing found nested queries causing denial of service. The GraphQL injection testing identified SQL injection in resolvers. Professional GraphQL penetration testing that prevented massive data breach!

Their batching attack testing identified aliasing attacks causing server crashes. The GraphQL authorization bypass testing found field-level authorization failures. The mutation security testing validated resolver security. Best GraphQL API penetration testing and comprehensive GraphQL vulnerability assessment we’ve experienced!

Their GraphQL authentication bypass testing found authentication gaps. The rate limiting testing validated query costing implementation. Certified GraphQL security specialists understanding introspection queries, schema exposure, and resolver security deeply. Highly recommend their comprehensive GraphQL security audit services!

What is GraphQL security testing?

GraphQL security testing and GraphQL penetration testing examine GraphQL-specific vulnerabilities in GraphQL APIs. Professional GraphQL API testing evaluates GraphQL introspection security testing identifying introspection queries and schema exposure, GraphQL query complexity testing validating query depth and nested queries prevention through depth limiting, GraphQL batching attack testing preventing batching attacks and aliasing attacks, GraphQL injection vulnerability testing identifying injection attacks including NoSQL injection and SQL injection and SSRF attacks, GraphQL authentication bypass testing and GraphQL authorization bypass testing validating authentication and authorization, GraphQL mutation security testing and GraphQL subscription security testing ensuring resolver security. Comprehensive GraphQL vulnerability assessment validates rate limiting through query costing, complexity analysis, persisted queries, query whitelisting, and complete GraphQL security audit preventing introspection queries exploitation, schema exposure, query complexity attacks, denial of service, injection attacks, authentication bypass, authorization bypass, and information disclosure.

How much does GraphQL testing cost?

GraphQL testing cost varies based on API complexity. Basic GraphQL security testing costs $2,500-3,500 for simple GraphQL APIs. Professional GraphQL vulnerability assessment ranges $7,500-9,500 for comprehensive testing including introspection testing, query complexity testing, batching attack testing, and GraphQL injection testing. Enterprise GraphQL penetration testing costs $15,000-18,000 for complex GraphQL APIs with complete GraphQL security assessment. Investment prevents GraphQL breaches averaging $4.8 million making GraphQL API penetration testing extremely cost-effective.

What’s included in GraphQL security reports?

Every GraphQL security audit includes comprehensive documentation covering GraphQL vulnerabilities through GraphQL vulnerability assessment, introspection queries and schema exposure findings, query complexity attacks through nested queries and circular queries, batching attacks and aliasing attacks results, GraphQL injection vulnerability testing identifying injection attacks including NoSQL injection and SQL injection and SSRF attacks, GraphQL authentication bypass testing and GraphQL authorization bypass testing results, mutation security and subscription security validation, resolver security assessment, and detailed remediation instructions ensuring development teams implement proper introspection disabling, depth limiting, rate limiting, query costing, complexity analysis, persisted queries, query whitelisting, resolver security, authentication validation, authorization enforcement, and complete GraphQL security evaluation.

2,800+ APIs

GraphQL testing expertise

GraphQL Certified

Security specialists

All Attacks

Complete coverage

60-Day Support

Remediation help