Incorrect Authorization Affecting open-webui package, versions [0.8.0,0.9.0)
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-20158685
- published27 Sept 2026
- disclosed10 Sept 2026
- creditUnknown
Introduced: 10 Sep 2026
NewCVE-2026-88005 (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 via the OAuth token exchange process. An attacker can gain unauthorized access by exchanging a valid provider access token for a session even if their email domain is not on the allowlist. This is only exploitable if ENABLE_OAUTH_TOKEN_EXCHANGE is set to True and OAUTH_ALLOWED_DOMAINS is configured to restrict domains.