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
- Open-webui — versions < 0.10.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM)
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.