Command Injection in Open WebUI - CVE-2026-0766
Published: January 12, 2026
Vulnerability identifier: #VU121165
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-0766
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Open WebUI
Affected software:
Open WebUI
Open WebUI
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary commands on the system.
The vulnerability exists due to insufficient input validation within the load_tool_module_by_id function. A remote user can pass specially crafted data to the application and execute arbitrary commands.
How to mitigate CVE-2026-0766
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.