VULNERABILITY INTELLIGENCE

CVE-2026-45351

CVSS score6.5 MEDIUM
EPSS probability0.28%
CISA KEVNot currently listed
Published2026-05-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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.

Weakness classification

  • security-advisories@github.com: CWE-200

Primary references