Missing Authentication for Critical Function
An issue was discovered in Mirumee Saleor 2.x before 2.9.1. Incorrect access control in the checkoutCustomerAttach mutations allows attackers to attach their checkouts to any user ID and consequently leak user data (e.g., name, address, and previous orders of any other customer).
CWE-306 - Missing Authentication for Critical Function
The software does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.