Authentication Bypass Vulnerability in Open-WebUI by Open-WebUI
CVE-2025-63391

7.5HIGH

Key Information:

Vendor

Open-WebUI

Status
Open-WebUI
Vendor
CVE Published:
18 December 2025

What is CVE-2025-63391?

An authentication bypass vulnerability has been identified in Open-WebUI version 0.6.32 and earlier versions. This issue arises from insufficient authentication and authorization mechanisms at the /api/config endpoint, allowing unauthenticated remote attackers to access sensitive system configuration data. The flaw puts users at risk, as it potentially exposes critical information that should remain secured from unauthorized access.

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References

https://github.com/open-webui/open-webui/issues
https://gist.github.com/Cristliu/13c41b97285b776275bc8bfd...
https://gist.github.com/Cristliu/889471313b3c698fff74d32b...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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