Vulnerabilities CVE-2026-59217

CVE-2026-59217

Medium

Open

TLP:CLEAR

Open WebUI: Upload `metadata.knowledge_id` bypasses the knowledge-base write-access check (read-only users can add files to KB)

NVD CVE.org

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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.

Details

CVSS Score: 4.3
EPSS Score ⓘ: 0.29%

21.5th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Confidence: 90%
Published: Jul 9, 2026
Last Modified: Jul 14, 2026

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