Report: CVE-2026-45351 - Open WebUI: Exposure of System Prompt to Regular User [Non-Admin]
CVE ID :CVE-2026-45351 Published : May 15, 2026, 10:16 p.m. | 1 hour, 9 minutes ago Description :Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.9, when a regular user [non-admin] logs into the application, a http://IP:8080/api/models? web request is initiated by the application and in response, it reveals the system prompt of available models set by admin on models pages in workspace affecting the confidentiality of application. This vulnerability is fixed in 0.8.9. Severity: 6.5 | MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...