CVE-2026-45345
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
May 15, 2026
Vendor
unknown
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.