Discover how poorly secured GraphQL fields can expose sensitive data and allow unauthorized access — even admin accounts.
Disclaimer:
The techniques described in this document are intended solely for ethical use and educational purposes. Unauthorized use of these methods outside approved environments is strictly prohibited, as it is illegal, unethical, and may lead to severe consequences.It is crucial to act responsibly, comply with all applicable laws, and adhere to established ethical guidelines. Any activity that exploits security vulnerabilities or compromises the safety, privacy, or integrity of others is strictly forbidden.
In this lab challenge provided by PortSwigger, the GraphQL API that handles user management functions contains an access control flaw. The GraphQL endpoint inadvertently exposes sensitive fields related to user credentials due to improper access restrictions.
Despite being a private or non-publicly documented field, the API responds with internal…