Graphql.rar | Black Hat

: Assign "points" to fields and reject queries that are too "expensive" for the server to process.

: Restrict how deep a query can go to prevent DoS. Black Hat GraphQL.rar

: Only permit pre-approved queries from your frontend. ⚠️ A Note on Safety : Assign "points" to fields and reject queries

Because GraphQL allows nested relationships (e.g., a User has Posts, and a Post has an Author), an attacker can create a deeply nested query that consumes all server memory, leading to a crash. Batching Attacks a User has Posts