CVE-2026-59217

Medium

Description

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, the file upload path accepted metadata.knowledge_id and auto-linked uploaded files to a target knowledge base without applying the write-access check used by /api/v1/knowledge//file/add, allowing read-only knowledge-base users to add arbitrary files. This issue is fixed in version 0.10.0.

SeverityMedium
CVSS4.3
Exploit probability—
ProductOpenwebui Open Webui
PublishedJul 9, 2026
First seenJul 9, 2026

How to fix

Update
  • openwebui open_webui0.10.0 or later
  • open-webui0.10.0 or later

Affected products

ProductAffected versionsFixed in
openwebui open_webuiv < 0.10.00.10.0
open-webuiPyPIv < 0.10.00.10.0

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