CVE-2026-0766

✕ Withdrawn — historical dataHIGHNVD 8.8
8.8CVSS

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.

CVSS v3
8.8
EchelonGraph score
Not yet assessedThis CVE record was withdrawn by its numbering authority, so there is no vulnerability to rate.
EPSS PROB
—
EPSS %ILE
—
KEV
—Not applicable: this CVE ID was withdrawn

Published

January 23, 2026

Last Modified

June 17, 2026

References (1)

Frequently asked(4)

What is CVE-2026-0766?
CVE-2026-0766 is a rejected CVE ID: its record was withdrawn on September 2, 2026 and no longer describes a vulnerability. Reason given: 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
When was the CVE record for CVE-2026-0766 published?
The CVE record for CVE-2026-0766 was published on January 23, 2026. EchelonGraph's copy of the record carries a last-modified date of June 17, 2026; the record at its source may have been updated since.
What is the CVSS score of CVE-2026-0766?
CVE-2026-0766 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-0766?
There is nothing to remediate under CVE-2026-0766: it is a rejected (withdrawn) CVE ID and no longer describes a vulnerability.