Missing Authorization Affecting open-webui package, versions [0.8.12,0.10.0)
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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- published25 Jul 2026
- disclosed24 Jul 2026
- creditUnknown
Introduced: 24 Jul 2026
NewCVE-2026-59225 (opens in a new tab)How to fix?
Upgrade open-webui to version 0.10.0 or higher.
Overview
open-webui is an Open WebUI
Affected versions of this package are vulnerable to Missing Authorization in the generate_chat_completion process. An attacker can gain unauthorized access to restricted underlying models by submitting crafted requests to task endpoints that leverage readable arena wrapper models. This is only exploitable if an authenticated non-admin user has read access to an arena wrapper model that includes at least one restricted underlying model the user cannot query directly.