CVE-2026-44560

Medium

Description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the type: "file" (non-full-context), type: "text" with collection_name, and bare collection_name/collection_names paths in the get_sources_from_items function perform vector store queries without any authorization check, allowing users to extract content from files and knowledge bases they do not have access to. This vulnerability is fixed in 0.9.0.

SeverityMedium
CVSS6.5
Exploit probability—
ProductOpenwebui Open Webui
PublishedMay 15, 2026
First seenMay 15, 2026

How to fix

Update
  • openwebui open_webui0.9.0 or later
  • open-webui0.9.0 or later

Affected products

ProductAffected versionsFixed in
openwebui open_webuiv < 0.9.00.9.0
open-webuiPyPIv < 0.9.00.9.0

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