CVE-2026-54012 Open WebUI: Forged model meta.knowledge allows cross-user file read and deletion

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI lets a user who can create, update, or import workspace models store arbitrary meta.knowledge entries on their model without checking whether they own or can read the...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization through the improper validation of the meta.knowledge field during model creation, update, or import processes. An attacker can gain unauthorized access to and delete files belonging to...