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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.

PUBLISHED Reserved 2026-01-08 | Published 2026-01-23 | Updated 2026-01-24 | Assigner zdi




HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-94: Improper Control of Generation of Code ('Code Injection')

Product status

Default status
unknown

0.6.32
affected

References

www.zerodayinitiative.com/advisories/ZDI-26-032/ (ZDI-26-032)

cve.org (CVE-2026-0766)

nvd.nist.gov (CVE-2026-0766)

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