CVE-2026-0766

Open WebUI load_tool_module_by_id Command Injection Remote Code Execution Vulnerability

Published Jan 23, 2026 CVSS n/a EPSS n/a KEV · Not listed
Description
Open WebU's investigation further investigation showed that this is intended functionality of the Plugins extension system, in which users granted the relevant permission author Python that the server executes by design, and not a security issue. https://docs.openwebui.com/security/vendor-dispositions/cve-2026-0766

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References

No reference.

History
Type Values Removed Values Added
Weaknesses CWE-94
CPEs cpe:2.3:a:openwebui:open_webui:0.6.32:*:*:*:*:*:*:*
Vendors & Products Openwebui
Openwebui open Webui
References
Metrics cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Description 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. Open WebU's investigation further investigation showed that this is intended functionality of the Plugins extension system, in which users granted the relevant permission author Python that the server executes by design, and not a security issue. https://docs.openwebui.com/security/vendor-dispositions/cve-2026-0766
Type Values Removed Values Added
First Time appeared Openwebui
Openwebui open Webui
CPEs cpe:2.3:a:openwebui:open_webui:0.6.32:*:*:*:*:*:*:*
Vendors & Products Openwebui
Openwebui open Webui
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Open-webui
Open-webui open-webui
Vendors & Products Open-webui
Open-webui open-webui
Type Values Removed Values Added
Description 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.
Title Open WebUI load_tool_module_by_id Command Injection Remote Code Execution Vulnerability
Weaknesses CWE-94
References
Metrics cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

No weakness.

Sources

Status
REJECTED
Assigner
zdi
Published
Updated
Sep 2, 2026, 5:46 PM
Reserved
Jan 8, 2026, 10:50 PM
Status
Rejected
Published
Jan 23, 2026, 4:16 AM
Modified
Sep 2, 2026, 6:18 PM