Incorrect Authorization Affecting open-webui package, versions [,0.9.0)
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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Start learning- Snyk IDSNYK-PYTHON-OPENWEBUI-16734340
- published18 May 2026
- disclosed14 May 2026
- creditaliceQWAS
Introduced: 14 May 2026
NewCVE-2026-45339 (opens in a new tab)How to fix?
Upgrade open-webui to version 0.9.0 or higher.
Overview
open-webui is an Open WebUI
Affected versions of this package are vulnerable to Incorrect Authorization in the authentication process when API keys are supplied via the x-api-key header instead of the Authorization header. An attacker can gain unauthorized access to restricted API endpoints by sending requests with the x-api-key header, thereby bypassing endpoint restrictions intended by the operator.