CVE-2026-109572
High
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.
SeverityHigh
CVSS7.6
Exploit probability—
ProductOpen-webui
PublishedOct 12, 2026
First seenOct 12, 2026
Weakness typeCWE-862Missing authorization
How to fix
Update
- open-webui open-webui0.11.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| open-webui open-webui | 0.8.6 ≤ v < 0.11.4 | 0.11.4 |
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