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CVE-2025-63391

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Date: December 18, 2025

An authentication bypass vulnerability exists in Open-WebUI <=0.6.32 in the /api/config endpoint. The endpoint lacks proper authentication and authorization controls, exposing sensitive system configuration data to unauthenticated remote attackers.

Severity Score

Related Resources (4)

https://github.com/open-webui/open-webui/issues
https://nvd.nist.gov/vuln/detail/CVE-2025-63391
https://gist.github.com/Cristliu/13c41b97285b776275bc8bfd3504e51b
https://www.mend.io/vulnerability-database/CVE-2025-63391

Severity Score

Weakness Type (CWE)

Missing Authentication for Critical Function

CWE-306

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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