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
Affected Vendors & Products
References
History
Fri, 23 Oct 2026 22:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-862 |
Sun, 18 Oct 2026 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mon, 12 Oct 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Open WebUI before 0.11.4 Missing Authorization via Backend Index on Model Routes | |
| First Time appeared |
Openwebui
Openwebui open Webui |
|
| Weaknesses | CWE-639 | |
| CPEs | cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Openwebui
Openwebui open Webui |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-10-12T16:04:55.400Z
Updated: 2026-10-23T21:57:58.019Z
Reserved: 2026-10-12T14:12:52.833Z
Link: CVE-2026-109296
Updated: 2026-10-18T11:53:07.008Z
Status : Awaiting Analysis
Published: 2026-10-12T17:17:23.097
Modified: 2026-10-23T22:16:54.650
Link: CVE-2026-109296
No data.