CVE-2026-109296
Medium · 4.3CVSS
4.3
EPSS
0.3%
Published
Oct 12, 2026
CISA due date
—
The record
Open WebUI before 0.11.4 contains a missing authorization vulnerability that allows authenticated users to reach disabled model provider backends by supplying an explicit backend index. Attackers can pass the index as a path segment or query parameter on Ollama and OpenAI-compatible listing routes to trigger requests carrying configured API keys, read version strings, and enumerate connections.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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