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.

References

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/security/advisories/GHSA-q46m-r89w-j74p

https://github.com/open-webui/open-webui/commit/51bb8cb142f72503e861eeee25ae4dc73c26c36b

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-98155

Details

Source: Mitre, NVD

Published: 2026-10-12

Updated: 2026-10-12

Risk Information

CVSS v2

Base Score: 8

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:C/A:P

Severity: High

CVSS v3

Base Score: 7.6

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

Severity: High

CVSS v4

Base Score: 7.2

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N

Severity: High