published January 23, 2026
🚨 A sneaky command injection in Open WebUI lets attackers execute arbitrary code if they can authenticate! 🔥 Think of it like a restaurant where a customer can slip a note to the chef asking for any dish to be made, but the chef doesn’t check the order slip before cooking. If the customer is crafty enough, they might get something really unexpected on the menu! An attacker with valid credentials could leverage this vulnerability to run any Python code in the context of the service account, potentially leading to disastrous consequences like data leakage, unauthorized access, or even taking over the entire system! This could be absolutely devastating for your operations.
Think of it like a restaurant where a customer can slip a note to the chef asking for any dish to be made, but the chef doesn’t check the order slip before cooking. If the customer is crafty enough, they might get something really unexpected on the menu! The vulnerability arises in the load_tool_module_by_id function due to a lack of proper validation for user-supplied strings before executing them as Python code. This allows an authenticated attacker to manipulate the execution of commands arbitrarily.
An attacker with valid credentials could leverage this vulnerability to run any Python code in the context of the service account, potentially leading to disastrous consequences like data leakage, unauthorized access, or even taking over the entire system! This could be absolutely devastating for your operations. To safeguard your installations, make sure to patch Open WebUI immediately to the latest version that addresses this vulnerability. Additionally, implement strict validation for user input to avoid similar issues in the future. It's also wise to review user access and permissions to minimize the risks associated with authenticated attacks. You've got this! Follow these steps, and you’ll be back to safety in no time. 🛡️