VULNRABLE / Vulnerability / CVE-2026-59223

CVE-2026-59223

MEDIUM LOW open-webui GHSA

Exploit verdict: No active-exploit signal

CVSS Score

5.5

Severity

MEDIUM

EPSS

Source

GHSA

Summary

Open WebUI: `WEB_FETCH_FILTER_LIST` host allow/block filter bypassable via URL path and non-label-boundary matching

What this means

CVE-2026-59223 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 25, 2026.

View full advisory at GHSA →