---
title: "CVE-2026-109572: Open WebUI - Privilege Escalation"
description: "Open WebUI >0.8.6 <0.11.4 contains a privilege escalation caused by shared key exposure in terminal proxy, letting authenticated users access Terminals administrator API to control other users' terminals, exploit requires authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-109572/
---

# CVE-2026-109572 Open WebUI - Privilege Escalation

Open WebUI >0.8.6 <0.11.4 contains a privilege escalation caused by shared key exposure in terminal proxy, letting authenticated users access Terminals administrator API to control other users' terminals, exploit requires authentication.

CVSS base score 7.6 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.30% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-109572)

## Details

Type

Privilege Escalation

Impact

Privilege Escalation, Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

Published

12 October 2026

Updated

15 October 2026

Weakness

[CWE-862](https://cwe.mitre.org/data/definitions/862.html)

## Vendor fix

Update to version 0.11.4 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-109572](https://nvd.nist.gov/vuln/detail/CVE-2026-109572)
- [https://www.vulncheck.com/advisories/open-webui-0.8.6-before-0.11.4-privilege-escalation-via-terminal-proxy](https://www.vulncheck.com/advisories/open-webui-0.8.6-before-0.11.4-privilege-escalation-via-terminal-proxy)
- [https://github.com/open-webui/open-webui/commit/51bb8cb142f72503e861eeee25ae4dc73c26c36b](https://github.com/open-webui/open-webui/commit/51bb8cb142f72503e861eeee25ae4dc73c26c36b)
- [https://github.com/open-webui/open-webui/security/advisories/GHSA-q46m-r89w-j74p](https://github.com/open-webui/open-webui/security/advisories/GHSA-q46m-r89w-j74p)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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