From 2effc1bfd4e63bd28b9377bf06fd696185e3fe72 Mon Sep 17 00:00:00 2001
From: Rob Murray <rob.murray@docker.com>
Date: Mon, 24 Nov 2025 16:29:32 +0000
Subject: [PATCH] inspect: unmap IPv6-mapped IPv4 host address

Signed-off-by: Rob Murray <rob.murray@docker.com>
---
 daemon/network.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/daemon/network.go b/daemon/network.go
index 7851bb3b68..95f0033901 100644
--- a/daemon/network.go
+++ b/daemon/network.go
@@ -1133,8 +1133,11 @@ func getEndpointPortMapInfo(pm networktypes.PortMap, ep *libnetwork.Endpoint) {
 			if pp.HostPort > 0 {
 				hp = strconv.Itoa(int(pp.HostPort))
 			}
-			natBndg := networktypes.PortBinding{HostPort: hp}
-			natBndg.HostIP, _ = netip.AddrFromSlice(pp.HostIP)
+			hip, _ := netip.AddrFromSlice(pp.HostIP)
+			natBndg := networktypes.PortBinding{
+				HostIP:   hip.Unmap(),
+				HostPort: hp,
+			}
 			pm[natPort] = append(pm[natPort], natBndg)
 		}
 	}