Auth bypass in Open-webui

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…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-59217?
CVE-2026-59217 is a medium-severity vulnerability in Open-webui, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-07-09.
How severe is CVE-2026-59217?
Medium severity. CVSS v3 base score is 4.3 out of 10.