Vulnerability · Published Oct 12, 2026 · Assigned by VulnCheck

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

High 7.6

In plain English

A high-severity missing authorization in open-webui from open-webui. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)7.6High

Exploit odds (30 days)0.3%top 77.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
open-webui	open-webui	0.8.6 – before 0.11.4

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

References

GitHub Security Advisory (GHSA-q46m-r89w-j74p) vendor-advisory
Patch Commit patch
VulnCheck Advisory: Open WebUI 0.8.6 before 0.11.4 Privilege Escalation via Terminal Proxy third-party-advisory