VULNERABILITY INTELLIGENCE

CVE-2026-45345

CVSS score6.5 MEDIUM

EPSS probability0.23%

CISA KEVNot currently listed

Published2026-05-15

Last modified2026-06-17

Description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.5.7, a user can modify another user's model even if its visibility is set to Private. By changing the access permissions during editing, unauthorized access can be gained. This vulnerability is fixed in 0.5.7.