VULNRABLE / Vulnerability / CVE-2026-87998

CVE-2026-87998

HIGH LOW open-webui GHSA

Exploit verdict: No active-exploit signal

CVSS Score

Severity

HIGH

EPSS

Source

GHSA

Summary

Open WebUI: Non-admin users can delete admin-owned external knowledge connections via knowledge base deletion

What this means

CVE-2026-87998 is a high-severity vulnerability affecting open-webui, rated CVSS 8. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published September 10, 2026.

View full advisory at GHSA →