GO-2026-4899 Sliver: Nil Pointer Dereference in tunnelCloseHandler causes panic when a reverse tunnel (rportfwd) close is attempted in github.com/bishopfox/sliver

Sliver: Nil Pointer Dereference in tunnelCloseHandler causes panic when a reverse tunnel rportfwd close is attempted in github.com/bishopfox/sliver...

PT-2026-29943

Sliver: Nil Pointer Dereference in tunnelCloseHandler causes panic when a reverse tunnel rportfwd close is attempted in github.com/bishopfox/sliver...

GHSA-C279-989M-238F Sliver: Nil Pointer Dereference in tunnelCloseHandler causes panic when a reverse tunnel (rportfwd) close is attempted

Summary A nil pointer dereference in tunnelCloseHandler causes the handler goroutine to panic whenever a reverse tunnel rportfwd close is attempted. Both the legitimate close path AND the unauthorized close path dereference tunnel.SessionID where tunnel is guaranteed nil. This means rportfwd...