Vulnerability Description
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, GET /api/v1/retrieval/ returns live RAG pipeline configuration to any unauthenticated HTTP client. No Authorization header, cookie, or API key is required. Every adjacent endpoint on the same router (/embedding, /config) is correctly guarded by get_admin_user making this a targeted omission. This vulnerability is fixed in 0.9.5.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openwebui | Open Webui | < 0.9.5 |
Related Weaknesses (CWE)
References
- https://github.com/open-webui/open-webui/security/advisories/GHSA-65pg-qhhw-mxwgExploitMitigationVendor Advisory
- https://github.com/open-webui/open-webui/security/advisories/GHSA-65pg-qhhw-mxwgExploitMitigationVendor Advisory
FAQ
What is CVE-2026-45397?
CVE-2026-45397 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, GET /api/v1/retrieval/ returns live RAG pipeline configuration to any unauthenticated...
How severe is CVE-2026-45397?
CVE-2026-45397 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-45397?
Check the references section above for vendor advisories and patch information. Affected products include: Openwebui Open Webui.