CVE-2026-109572

Open WebUI 0.8.6 before 0.11.4 Privilege Escalation via Terminal Proxy

HIGH
7.6
CVSS Score
Published: October 12, 2026 at 10:21 PM UTC
Updated: October 23, 2026 at 09:58 PM UTC
1 product affected across 1 vendorOpen Webui

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Severity
HIGH7.6
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 0.11.4 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.6HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
LOW
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-862

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