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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.

PUBLISHED Reserved 2026-05-06 | Published 2026-05-15 | Updated 2026-05-15 | Assigner GitHub_M




MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Problem types

CWE-862: Missing Authorization

Product status

< 0.9.0
affected

References

github.com/...-webui/security/advisories/GHSA-h36f-rqpx-j5wx

cve.org (CVE-2026-44560)

nvd.nist.gov (CVE-2026-44560)

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