async-graphql is a GraphQL server library implemented in Rust. async-graphql before 7.0.10 does not limit the number of directives for a field. This can lead to Service Disruption, Resource Exhaustion, and User Experience Degradation. This vulnerability is fixed in 7.0.10.
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.