Skip to content
archivevulnerability · 08 Sep 2026 · 18:16 UTC

GHSA-c4c3-7fpv-j4q5: Netty: SNI Routing Bypass via Fragmented TLS ClientHello Causing Fallback to Default SslContext

VULNCVE-2026-75595source · GTH
HIGHCritical vulnerability
What to do
  • Critical severity — schedule an urgent patch.

last 60 dispatches · spectrum

### Summary A fragmented TLS ClientHello whose handshake header spans multiple records makes Netty silently fall back to the default SslContext; where per-SNI selection is the sole mTLS gate, an unauthenticated attacker can bypass the route's mTLS requirement. …

CVE · detail
grounded ✓primary source ↗
Early access

Get the next one first.

Early access opens the actor API and MCP server first, plus alerts when an adversary you follow lands on the wire. One email when it's ready. Nothing else, ever.

bot-protected