Access Control Weakness in Open WebUI Platform
CVE-2026-45365

5.4MEDIUM

Key Information:

Vendor

Open-webui

Status
Open-webui
Vendor
CVE Published:
15 May 2026

What is CVE-2026-45365?

The Open WebUI platform, an offline AI application, exposes a security flaw that allows authenticated users to bypass model access control measures. Specifically, a parameter named 'bypass_filter' can be appended to certain HTTP endpoints, enabling the invocation of admin-restricted models. This bypass capability is a significant risk, potentially allowing unauthorized access to sensitive functionalities. The issue has been addressed in version 0.8.11.

Affected Version(s)

open-webui < 0.8.11

References

https://github.com/open-webui/open-webui/security/advisor...
x_refsource_CONFIRM

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.