A blind SQL injection vulnerability exists in the berriai/litellm application, specifically within the \'/team/update\' process. The vulnerability arises due to the improper handling of the \'user_id\' parameter in the raw SQL query used for deleting users. An attacker can exploit this vulnerability by injecting malicious SQL commands through the \'user_id\' parameter, leading to potential unauthorized access to sensitive information such as API keys, user information, and tokens stored in the database. The affected version is 1.27.14.