VULNRABLE / Vulnerability / CVE-2026-88005

CVE-2026-88005

MEDIUM LOW open-webui GHSA

Exploit verdict: No active-exploit signal

CVSS Score

5.5

Severity

MEDIUM

EPSS

Source

GHSA

Summary

Open WebUI: Users denied by the OAuth domain allowlist or role policy can still sign in via token exchange

What this means

CVE-2026-88005 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 September 10, 2026.

View full advisory at GHSA →