Handheld bidets can sometimes leak if they are not installed or used properly. Actually, I did experience that. Common causes of leaks include loose connections, damaged or worn-out washers, and improper use. However, many handheld bidets are designed with leak-resistant features, such as high-quality components and ergonomic designs that reduce the risk of leakage. It's important to choose a reputable brand and to follow the manufacturer's instructions carefully to ensure proper installation and use. If you experience persistent leaks, it may be necessary to seek professional assistance or replace the bidet.