CVE-2026-109572: open-webui Missing Authorization
Vulnerability summary
CVE-2026-109572 is a high (CVSS 7.6) Missing Authorization vulnerability in open-webui. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.1% of scored vulnerabilities.
Timeline
- 12-10-2026PublishedVulnerability first disclosed.
- 13-10-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 2 sources · 2 versions- CVE.orgCNA7.2HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
- CVE.orgCNA7.6HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Open-webui1 product
- open-webui≥ 0.8.6, < 0.11.4
1 vendor · 1 product