MEDIUM 5.3 NVD
CVE-2026-109289
Open WebUI from 0.8.8 before 0.11.4 contains an improper authorization vulnerability that allows deactivated users to keep executing terminal commands through a
Open WebUI from 0.8.8 before 0.11.4 contains an improper authorization vulnerability that allows deactivated users to keep executing terminal commands through an already open terminal WebSocket. Because the terminal proxy route in terminals.py checks access only on the first message, deactivated users can keep running commands and reading or writing files on the terminal server.
References
- https://github.com/open-webui/open-webui/security/advisories/GHSA-6g45-8g27-fh8q
- https://www.vulncheck.com/advisories/open-webui-0.8.8-before-0.11.4-improper-session-revoc
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-10-12 via NVD.
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