Improper Authorization Affecting open-webui package, versions [,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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- published17 May 2026
- disclosed14 May 2026
- creditjohnatzeropath
Introduced: 14 May 2026
NewCVE-2026-45365 (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 Improper Authorization via the bypass_filter parameter in the HTTP query string, which is unintentionally exposed in the route handler. An attacker can gain unauthorized access to restricted models by appending ?bypass_filter=true to requests, thereby skipping access control checks and invoking admin-restricted models using the server's API keys.