medium4.3
CVE-2026-59217
Open WebUI: Upload `metadata.knowledge_id` bypasses the knowledge-base write-access check (read-only users can add files to KB)
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | open-webui | < 0.10.0 | 0.10.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Openwebui | Open Webui | before 0.10.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-7r7x-gjvr-448g
- https://github.com/open-webui/open-webui/security/advisories/GHSA-7r7x-gjvr-448g
- https://nvd.nist.gov/vuln/detail/CVE-2026-59217
- https://github.com/open-webui/open-webui/pull/26001
- https://github.com/open-webui/open-webui/commit/b7626f05fb92b24ab923ad81a037071ebd5623d1
- https://github.com/open-webui/open-webui/releases/tag/v0.10.0