CVE-2026-109296

MediumCVSS 4.3/10Last modified Oct 23, 2026

Description

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-639CWE-862

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
open-webuiopen-webui< 0.11.4

References

Timeline

Published
Oct 12, 2026
Last modified
Oct 23, 2026
NVD status
Awaiting Analysis

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