Authorization Bypass in Open WebUI AI Platform
CVE-2026-54006

4.3MEDIUM

Key Information:

Vendor

Open-webui

Status
Open-webui
Vendor
CVE Published:
23 June 2026

What is CVE-2026-54006?

An authorization bypass issue exists in Open WebUI prior to version 0.9.6. The platform fails to validate the destination calendar ID provided during event updates, allowing users with regular accounts to move events between calendars without proper authorization checks. This flaw can be exploited by any user aware of other users' calendar IDs, compromising the integrity of event management within the application.

Affected Version(s)

open-webui < 0.9.6

References

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

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.