CVE-2026-34222
High
Description
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.11, there is a broken access control vulnerability in tool values. This issue has been patched in version 0.8.11.
SeverityHigh
CVSS7.7
Exploit probability—
ProductOpenwebui Open Webui
PublishedApr 1, 2026
First seenApr 1, 2026
Weakness typeCWE-285CWE-285
How to fix
Update
- openwebui open_webui0.8.11 or later
- open-webui0.8.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openwebui open_webui | v < 0.8.11 | 0.8.11 |
| open-webuiPyPI | v < 0.8.11 | 0.8.11 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.