CVE-2026-109572 Open WebUI 0.8.6 before 0.11.4 Privilege Escalation via Terminal Proxy

High 7.2 Published Updated

Authenticated users can escalate privileges via the terminal proxy to manage other users' terminals and inject environment variables.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-109572?

CVE-2026-109572 is a high-severity vulnerability in open-webui, published on 12 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Open WebUI from 0.8.6 before 0.11.4 contains a privilege escalation vulnerability in the terminal proxy that allows authenticated users to reach the Terminals administrator API with the shared key attached. Attackers can send requests through /api/v1/terminals/{server_id}/{path} to list or stop other users' terminals and modify terminal policies, injecting environment variables into other users' terminals.

Weakness: CWE-862

Which versions are affected by CVE-2026-109572?

How do I fix CVE-2026-109572?

No fix has been published for CVE-2026-109572 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-109572 being exploited?

There is no known exploitation of CVE-2026-109572 in the wild and no public exploit code.

Sources

Also known as GHSA-865q-vfjv-p93j, GHSA-q46m-r89w-j74p.

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