VULNRABLE / Vulnerability / CVE-2026-75595

CVE-2026-75595

CRITICAL WATCH io.netty:netty-handler GHSA

Exploit verdict: CVSS 9.5 · critical severity

CVSS Score

9.5

Severity

CRITICAL

EPSS

Source

GHSA

Summary

Netty: SNI Routing Bypass via Fragmented TLS ClientHello Causing Fallback to Default SslContext

What this means

CVE-2026-75595 is a critical-severity vulnerability affecting io.netty:netty-handler, rated CVSS 9.5. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published September 8, 2026.

View full advisory at GHSA →