Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization via the chat completion, chat completed, and chat action endpoints when an inline model definition is used with attached knowledge metadata. An attacker can access the indexed content of...

CVE-2026-54009 Open WebUI: Cross-user file disclosure via /api/chat/completions image_url field

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, POST /api/chat/completions accepts an imageurl.url value that, when it does NOT start with http://, https://, or data:image/, is interpreted as a file id and resolved against the...

CVE-2025-66515 Nextcloud Approval app allows users to request approval for other users file

The Nextcloud Approval app allows approval or disapproval of files in the sidebar. Prior to 1.3.1 and 2.5.0, an authenticated user listed as a requester in a workflow can set another user’s file into the “pending approval” without access to the file by using the numeric file id. This vulnerabilit...

CVE-2022-45175

An issue was discovered in LIVEBOX Collaboration vDesk through v018. An Insecure Direct Object Reference can occur under the 5.6.5-3/doc/ID-FILE/c/N/C/websocket endpoint. A malicious unauthenticated user can access cached files in the OnlyOffice backend of other users by guessing the file ID of a...