What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-12 · updated 2026-10-13
• Weakness: CWE-862

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.

Affected products

• open-webui: from 0.8.6 before 0.11.4 — fixed in 0.11.4

How to fix

Upgrade to a fixed version: open-webui 0.11.4. Check the vendor advisory for mitigations.

References

• https://github.com/open-webui/open-webui/commit/51bb8cb142f72503e861eeee25ae4dc73c26c36b
• https://github.com/open-webui/open-webui/security/advisories/GHSA-q46m-r89w-j74p
• https://www.vulncheck.com/advisories/open-webui-0.8.6-before-0.11.4-privilege-escalation-via-terminal-proxy

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