VULNRABLE / Vulnerability / GHSA-9969-6676-49h5
GHSA-9969-6676-49h5
HIGH LOW github.com/labstack/echo/v4 GHSA
Exploit verdict: No active-exploit signal
CVSS Score
8
Severity
HIGH
EPSS
—
Source
GHSA
Summary
Echo: WebSocket proxy can retain connections and handlers after client disconnect
What this means
GHSA-9969-6676-49h5 is a high-severity vulnerability affecting github.com/labstack/echo/v4, rated CVSS 8. Published October 23, 2026.
View full advisory at GHSA →