CVE-2026-0766 HIGH

CVE-2026-0766: Open WebUI load_tool_module_by_id Command Injection Remote Code Execution Vulnerability

Vendor Open Webui
Product Open WebUI
Weakness CWE-94 · Code injection
Published January 23, 2026
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Open WebUI load_tool_module_by_id Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Open WebUI. Authentication is required to exploit this vulnerability. The specific flaw exists within the load_tool_module_by_id function. The issue results from the lack of proper validation of a user-supplied string before using it to execute Python code. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-28257.

Key dates

02Disclosure timeline

January 23, 2026 CVE published
February 26, 2026 Record updated