A missing check_access() function in the lollms_binding_infos module of the parisneo/lollms repository, version V14, allows attackers to add, modify, and remove bindings arbitrarily. This vulnerability affects the /install_binding and /reinstall_binding endpoints, among others, enabling unauthorized access and manipulation of binding settings without requiring the client_id value.
The product implements an authentication technique, but it skips a step that weakens the technique.