Missing Authorization Affecting open-webui package, versions [,0.9.0)
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- published9 May 2026
- disclosed8 May 2026
- creditClassic298
Introduced: 8 May 2026
NewCVE-2026-44560 (opens in a new tab)How to fix?
Upgrade open-webui to version 0.9.0 or higher.
Overview
open-webui is an Open WebUI
Affected versions of this package are vulnerable to Missing Authorization in the get_sources_from_items process. An attacker can access unauthorized file and knowledge base content by supplying known file or knowledge base identifiers to the chat completion API, which are then used to query the vector store without proper authorization checks. This is only exploitable if the attacker has a valid user account and knows the file or knowledge base ID of a resource that has already been processed into the vector store.