youlai-boot V2.21.1 is vulnerable to Incorrect Access Control. The importUsers function in SysUserController.java does not perform a permission check on the current users identity, which may allow regular users to import user data into the database, resulting in an authorization bypass vulnerability.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: