diff --git a/config/config.yaml b/config/config.yaml
index 2456eece42..cf5882a1fb 100644
--- a/config/config.yaml
+++ b/config/config.yaml
@@ -992,8 +992,8 @@ clouds:
         nsp:
           accessMode: 'Learning'
         istio:
-          targetVersion: "asm-1-25"
-          versions: "asm-1-25"
+          targetVersion: "asm-1-26"
+          versions: "asm-1-26"
         aks:
           etcd:
             softDelete: false
diff --git a/config/dev.digests.yaml b/config/dev.digests.yaml
index b5c43c870c..17690e259d 100644
--- a/config/dev.digests.yaml
+++ b/config/dev.digests.yaml
@@ -3,19 +3,19 @@ clouds:
     environments:
       cspr:
         regions:
-          westus3: b7dba8105a51d503c1a0ccf070261f37b6656119d6bb2ffbf7e1b1f7e201b3b6
+          westus3: cffe30b492d28a9ed26afb7cb4a48eb46f0550b88aeff5fc9d3a5557ecd61ad1
       dev:
         regions:
-          westus3: 4322e33979adbefe7359bc517760860c71091073806fd02c2bd03a8e4025f43f
+          westus3: 689cae6da430790fa5dc141a21d93b1ccde61a9bfa42808f2bfd971a25e54f83
       perf:
         regions:
-          westus3: a9997a5fb839e12fd784d73e4a6bdeb2d5452b427a0b0d29469c94c712d6f565
+          westus3: ce4beac7562dd549899b3b0e0da1501f7c6ed6534214ab93abab11df50998614
       pers:
         regions:
-          westus3: 648f9eb2e86218f8f7e3d3cd5a7179b8cc51f5237bbe45c17adece272ec8237f
+          westus3: a993fd332e3fe39ae0e05c78f0d77b6de0f637fbdc286a758ecb08b610506da4
       prow:
         regions:
-          westus3: 5b58e748efb966e8fd8fcb4f2df3ffc8794146d5ae594d53cbe5c57e0f492aa7
+          westus3: 609c74619d39b90456064244486e8cf3994ef03e3ef40663dc8a6308425f37ca
       swft:
         regions:
-          uksouth: bbaae11d4883995fbd2618e7c98e96734409bb84d0e3d0e3aaf618bd66642b5e
+          uksouth: 7a09385051c1fdc0700b14be9a13a6ef6b93e8ab8d93a1110aeef97d8c438b47
diff --git a/config/rendered/dev/cspr/westus3.yaml b/config/rendered/dev/cspr/westus3.yaml
index b0ff5cbf1b..cdbe19c04b 100755
--- a/config/rendered/dev/cspr/westus3.yaml
+++ b/config/rendered/dev/cspr/westus3.yaml
@@ -751,8 +751,8 @@ svc:
     ingressGatewayIPAddressName: aro-hcp-istio-ingress
     istioctlVersion: 1.24.1
     tag: prod-stable
-    targetVersion: asm-1-25
-    versions: asm-1-25
+    targetVersion: asm-1-26
+    versions: asm-1-26
   nsp:
     accessMode: Learning
     name: nsp-usw3-svc
diff --git a/config/rendered/dev/dev/westus3.yaml b/config/rendered/dev/dev/westus3.yaml
index 4160609e7b..186dbc1b79 100755
--- a/config/rendered/dev/dev/westus3.yaml
+++ b/config/rendered/dev/dev/westus3.yaml
@@ -751,8 +751,8 @@ svc:
     ingressGatewayIPAddressName: aro-hcp-istio-ingress
     istioctlVersion: 1.24.1
     tag: prod-stable
-    targetVersion: asm-1-25
-    versions: asm-1-25
+    targetVersion: asm-1-26
+    versions: asm-1-26
   nsp:
     accessMode: Learning
     name: nsp-usw3-svc
diff --git a/config/rendered/dev/perf/westus3.yaml b/config/rendered/dev/perf/westus3.yaml
index 5a8139ab85..22f1817d2b 100755
--- a/config/rendered/dev/perf/westus3.yaml
+++ b/config/rendered/dev/perf/westus3.yaml
@@ -751,8 +751,8 @@ svc:
     ingressGatewayIPAddressName: aro-hcp-istio-ingress
     istioctlVersion: 1.24.1
     tag: prod-stable
-    targetVersion: asm-1-25
-    versions: asm-1-25
+    targetVersion: asm-1-26
+    versions: asm-1-26
   nsp:
     accessMode: Learning
     name: nsp-usw3ptest-svc
diff --git a/config/rendered/dev/pers/westus3.yaml b/config/rendered/dev/pers/westus3.yaml
index 9bfdbbcf0f..c39aec2aea 100755
--- a/config/rendered/dev/pers/westus3.yaml
+++ b/config/rendered/dev/pers/westus3.yaml
@@ -753,8 +753,8 @@ svc:
     ingressGatewayIPAddressName: aro-hcp-istio-ingress
     istioctlVersion: 1.24.1
     tag: prod-stable
-    targetVersion: asm-1-25
-    versions: asm-1-25
+    targetVersion: asm-1-26
+    versions: asm-1-26
   jaeger:
     deploy: true
   nsp:
diff --git a/config/rendered/dev/prow/westus3.yaml b/config/rendered/dev/prow/westus3.yaml
index 675f684e78..0f088c83a7 100755
--- a/config/rendered/dev/prow/westus3.yaml
+++ b/config/rendered/dev/prow/westus3.yaml
@@ -753,8 +753,8 @@ svc:
     ingressGatewayIPAddressName: aro-hcp-istio-ingress
     istioctlVersion: 1.24.1
     tag: prod-stable
-    targetVersion: asm-1-25
-    versions: asm-1-25
+    targetVersion: asm-1-26
+    versions: asm-1-26
   jaeger:
     deploy: true
   nsp:
diff --git a/config/rendered/dev/swft/uksouth.yaml b/config/rendered/dev/swft/uksouth.yaml
index 2e1104de9c..2ea33d65f8 100755
--- a/config/rendered/dev/swft/uksouth.yaml
+++ b/config/rendered/dev/swft/uksouth.yaml
@@ -753,8 +753,8 @@ svc:
     ingressGatewayIPAddressName: aro-hcp-istio-ingress
     istioctlVersion: 1.24.1
     tag: prod-stable
-    targetVersion: asm-1-25
-    versions: asm-1-25
+    targetVersion: asm-1-26
+    versions: asm-1-26
   nsp:
     accessMode: Learning
     name: nsp-lnstest-svc
diff --git a/dev-infrastructure/zz_fixture_TestHelmTemplate_dev_westus3_svc_1_istio.yaml b/dev-infrastructure/zz_fixture_TestHelmTemplate_dev_westus3_svc_1_istio.yaml
index 005c7663d8..7a592e1a4a 100644
--- a/dev-infrastructure/zz_fixture_TestHelmTemplate_dev_westus3_svc_1_istio.yaml
+++ b/dev-infrastructure/zz_fixture_TestHelmTemplate_dev_westus3_svc_1_istio.yaml
@@ -4,8 +4,8 @@ kind: ConfigMap
 apiVersion: v1
 metadata:
   labels:
-    istio.io/rev: 'asm-1-25'
-  name: istio-shared-configmap-asm-1-25
+    istio.io/rev: 'asm-1-26'
+  name: istio-shared-configmap-asm-1-26
   namespace: aks-istio-system
 data:
   mesh: |-
diff --git a/istio/deploy/templates/istio-shared-configmap.yml b/istio/deploy/templates/istio-shared-configmap.yml
index f9eadeb952..fbf953bb12 100644
--- a/istio/deploy/templates/istio-shared-configmap.yml
+++ b/istio/deploy/templates/istio-shared-configmap.yml
@@ -1,4 +1,5 @@
-{{ range $version := .Values.istioVersions }}
+{{ range $versionList := .Values.istioVersions }}
+{{ range $version := splitList "," $versionList }}
 ---
 kind: ConfigMap
 apiVersion: v1
@@ -17,3 +18,4 @@ data:
         includeRequestHeadersInCheck: ["x-ext-authz", "mise-inbound-policies-to-filter"]
         pathPrefix: "/v1/EnvoyValidateRequest"
 {{ end }}
+{{ end }}
\ No newline at end of file
diff --git a/istio/testdata/zz_fixture_TestHelmTemplate_istio_mise_enabled.yaml b/istio/testdata/zz_fixture_TestHelmTemplate_istio_mise_enabled.yaml
index d61b4f20ab..3fa5583235 100644
--- a/istio/testdata/zz_fixture_TestHelmTemplate_istio_mise_enabled.yaml
+++ b/istio/testdata/zz_fixture_TestHelmTemplate_istio_mise_enabled.yaml
@@ -4,8 +4,8 @@ kind: ConfigMap
 apiVersion: v1
 metadata:
   labels:
-    istio.io/rev: 'asm-1-25'
-  name: istio-shared-configmap-asm-1-25
+    istio.io/rev: 'asm-1-26'
+  name: istio-shared-configmap-asm-1-26
   namespace: aks-istio-system
 data:
   mesh: |-