CVE-2026-44567 Open WebUI: Open WebUI Improper Authorization Control
Attackers can bypass role restrictions to access the application when new sign-ups are enabled, requiring an upgrade to Open WebUI.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-44567?
CVE-2026-44567 is a high-severity missing authorization vulnerability in Openwebui Open Webui, published on 15 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.1.124, the API does not properly validate that the user has an authorized user role of user. By default, when Open WebUI is configured with new sign-ups enabled, the default user role is set to pending. In this configuration, an administrator is required to go into the Admin management panel following a new user registration and reconfigure the user to have a role of either user or admin before that user is able to access the web application. This vulnerability is fixed in 0.1.124.
Which versions are affected by CVE-2026-44567?
3 open source packages ship an affected version, including open-webui. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
open-webui PyPI | All versions | 0.1.124 |
open-webui PyPI | All versions | 0.1.124 |
open-webui PyPI | All versions | 0.1.124 |
Products include Openwebui Open Webui.
How do I fix CVE-2026-44567?
Upgrade open-webui to 0.1.124 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-44567 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-44567 exists.
Other vulnerabilities in Openwebui Open Webui
- CVE-2026-44551 Open WebUI: LDAP Empty Password Authentication Bypass
- CVE-2026-56400 open-webui - Remote Code Execution via CORS Misconfiguration and Session Validation
- CVE-2024-8017 Cross-site Scripting (XSS) in open-webui/open-webui
- CVE-2026-45672 Open WebUI: Jupyter code execution works despite `ENABLE_CODE_EXECUTION=false` — feature gate bypassed
- CVE-2026-87995 Open WebUI: Same-origin XSS to account takeover via terminal port-preview iframe hardcoding allow-same-origin
Sources
Also known as GHSA-4vg5-rp28-gvjf, PYSEC-2026-2703.