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Learning and Testing for GraphQL Vulnerabilities : Part 3

Gupta Bless
5 min readAug 27, 2023

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Let’s continue our discussion of GraphQL API exploitation by looking at some other GraphQl security risks. Some of the foundations and security concerns of GraphQL have already been covered in the first two GraphQL blogs. Please check these out if you want to learn the fundamentals of GraphQL. This time, we dug further deeper, reaching what appears to be an advanced level but which might be misused by them within an organization. Let’s break it down and talk about it.

Parallel Query execution attack

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As the term implies, many inquiries or query components are processed at once, necessitating parallel processing by the server. And hence the primary function is to formulate the inquiries. If his queries are written in such a way that the server can execute different sections of the query in parallel, he can make better use of the server’s resources. As a result, the server’s resources won’t function optimally, resulting in a drop in performance and possibly even a halt in operations. It can be implemented by an attacker submitting a large number of sophisticated queries to the GraphQl server at once, which will cause a drain on the…

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Gupta Bless
Gupta Bless

Written by Gupta Bless

Security enthusiast working to secure web for others.

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