Examining Access Control Vulnerabilities in GraphQL - A Feeld Case Study

Explore the critical importance of implementing robust access controls in GraphQL and REST APIs through a comprehensive security analysis of real-world vulnerabilities. Examine how the lack of proper access control mechanisms in GraphQL, despite its flexibility in allowing clients to request specific data, can lead to severe security breaches and sensitive data exposure. Analyze the Feeld dating app as a detailed case study, investigating how inadequate access controls in both GraphQL and REST endpoints resulted in the exposure of users' personal information, including private photos, videos, and confidential messages. Learn to identify common access control vulnerabilities found in GraphQL and REST API implementations, understand the real-world impact of these security lapses on user privacy and data protection, and discover effective remediation strategies to prevent similar breaches. Gain practical insights into conducting thorough security reviews of API endpoints and implementing comprehensive access control measures to protect sensitive user data in modern web applications.