Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openwebui | Open Webui | < 0.10.0 |
Related Weaknesses (CWE)
References
- https://github.com/open-webui/open-webui/commit/b7626f05fb92b24ab923ad81a037071ePatch
- https://github.com/open-webui/open-webui/pull/26001Issue TrackingPatch
- https://github.com/open-webui/open-webui/releases/tag/v0.10.0ProductRelease Notes
- https://github.com/open-webui/open-webui/security/advisories/GHSA-7r7x-gjvr-448gExploitMitigationVendor Advisory
- https://github.com/open-webui/open-webui/security/advisories/GHSA-7r7x-gjvr-448gExploitMitigationVendor Advisory
FAQ
What is CVE-2026-59217?
CVE-2026-59217 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 kn...
How severe is CVE-2026-59217?
CVE-2026-59217 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-59217?
Check the references section above for vendor advisories and patch information. Affected products include: Openwebui Open Webui.