VULNRABLE / Vulnerability / CVE-2026-59217

CVE-2026-59217

MEDIUM LOW open-webui GHSA

Exploit verdict: No active-exploit signal

CVSS Score

5.5

Severity

MEDIUM

EPSS

Source

GHSA

Summary

Open WebUI: Upload `metadata.knowledge_id` bypasses the knowledge-base write-access check (read-only users can add files to KB)

What this means

CVE-2026-59217 is a medium-severity vulnerability affecting open-webui, rated CVSS 5.5. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published July 24, 2026.

View full advisory at GHSA →