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 ↗

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

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

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