Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-59217

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 19.1%
CVSS Severity
CVSS v3 Score 4.3
Products affected by CVE-2026-59217


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