CVE-2026-59212

Medium

Description

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 before 0.10.0, _verify_knowledge_file_access only checked read access while file write and delete routes later trusted object-derived access through writable model meta.knowledge entries, allowing a user with read-only knowledge file access to upgrade to file write or delete operations. This issue is fixed in version 0.10.0.

SeverityMedium
CVSS5.4
Exploit probability—
ProductOpenwebui Open Webui
PublishedJul 9, 2026
First seenJul 9, 2026

How to fix

Update
  • open-webui0.10.0 or later

Affected products

ProductAffected versionsFixed in
openwebui open_webui0.9.6—
open-webuiPyPI0.9.6 ≤ v < 0.10.00.10.0

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CVE-2026-59212 · Openwebui Open Webui · Dark Radar