Arbitrary Code Injection Affecting open-webui package, versions [0,0.8.11)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published25 Jan 2026
- disclosed23 Jan 2026
- creditPeter Girnus, Brandon Niemczyk
Introduced: 23 Jan 2026
CVE-2026-0766 (opens in a new tab)How to fix?
Upgrade open-webui to version 0.8.11 or higher.
Overview
open-webui is an Open WebUI
Affected versions of this package are vulnerable to Arbitrary Code Injection via the load_tool_module_by_id function in the utils/plugin.py file. An attacker can execute arbitrary code in the context of the service account by supplying a crafted string that is not properly validated before being used in Python code execution. This is only exploitable if the attacker is authenticated.