diff --git a/charts/dataplane/templates/operator/configmap.yaml b/charts/dataplane/templates/operator/configmap.yaml
index 2b4032ce..8384d401 100644
--- a/charts/dataplane/templates/operator/configmap.yaml
+++ b/charts/dataplane/templates/operator/configmap.yaml
@@ -81,6 +81,13 @@ data:
     {{- with .Values.config.operator.secretsWatcher }}
       secretsWatcher:
         {{- tpl (toYaml .) $ | nindent 8 }}
+        {{- if and $.Values.low_privilege (not .namespaces) }}
+        namespaces:
+          - {{ $.Release.Namespace }}
+          {{- if $.Values.controlplaneNamespace }}
+          - {{ $.Values.controlplaneNamespace }}
+          {{- end }}
+        {{- end }}
     {{- end }}
     {{- if and (not .Values.config.operator.org) .Values.namespace_mapping }}
       org:
diff --git a/charts/dataplane/templates/operator/serviceaccount.yaml b/charts/dataplane/templates/operator/serviceaccount.yaml
index c14a0f15..6b8e7fc3 100644
--- a/charts/dataplane/templates/operator/serviceaccount.yaml
+++ b/charts/dataplane/templates/operator/serviceaccount.yaml
@@ -78,6 +78,19 @@ rules:
       - create
       - update
       - delete
+  {{- end }}
+  {{- if .Values.config.operator.secretsWatcher.enabled }}
+  - apiGroups:
+      - apps
+    resources:
+      - replicasets
+      - deployments
+    verbs:
+      - get
+      - list
+      - watch
+      - update
+      - patch
   {{- end }}
     {{- end }}
 ---
@@ -95,6 +108,53 @@ subjects:
   - kind: ServiceAccount
     name: {{ include "operator.serviceAccountName" . }}
     namespace: {{ .Release.Namespace }}
+{{- if and .Values.low_privilege .Values.config.operator.secretsWatcher.enabled .Values.controlplaneNamespace }}
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: {{ $roleName }}-secrets-watcher
+  namespace: {{ .Values.controlplaneNamespace }}
+  labels:
+    {{- include "operator.labels" . | nindent 4 }}
+rules:
+  - apiGroups:
+      - ""
+    resources:
+      - pods
+      - secrets
+    verbs:
+      - get
+      - list
+      - watch
+  - apiGroups:
+      - apps
+    resources:
+      - replicasets
+      - deployments
+    verbs:
+      - get
+      - list
+      - watch
+      - update
+      - patch
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: {{ $roleName }}-secrets-watcher
+  namespace: {{ .Values.controlplaneNamespace }}
+  labels:
+    {{- include "operator.labels" . | nindent 4 }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: {{ $roleName }}-secrets-watcher
+subjects:
+  - kind: ServiceAccount
+    name: {{ include "operator.serviceAccountName" . }}
+    namespace: {{ .Release.Namespace }}
+{{- end }}
 ---
 {{- if .Values.low_privilege }}
 {{- else }}
diff --git a/charts/dataplane/values.aws.selfhosted-intracluster.yaml b/charts/dataplane/values.aws.selfhosted-intracluster.yaml
index b2a6654d..e72beea5 100644
--- a/charts/dataplane/values.aws.selfhosted-intracluster.yaml
+++ b/charts/dataplane/values.aws.selfhosted-intracluster.yaml
@@ -597,6 +597,9 @@ flytepropellerwebhook: {}
 
 # EKS manages controller-manager, scheduler, etcd, and kube-proxy internally.
 # Their metrics endpoints are not accessible from within the cluster.
+# -- Control plane namespace for cross-namespace RBAC (secretsWatcher).
+controlplaneNamespace: "union-cp"
+
 # Disable scraping and alerting rules for these components to avoid
 # false-positive TargetDown and *Down alerts.
 monitoring:
diff --git a/charts/dataplane/values.gcp.selfhosted-intracluster.yaml b/charts/dataplane/values.gcp.selfhosted-intracluster.yaml
index bdc5e9cd..7d20cfa0 100644
--- a/charts/dataplane/values.gcp.selfhosted-intracluster.yaml
+++ b/charts/dataplane/values.gcp.selfhosted-intracluster.yaml
@@ -463,3 +463,6 @@ flytepropeller:
   priorityClassName: ""
 
 flytepropellerwebhook: {}
+
+# -- Control plane namespace for cross-namespace RBAC (secretsWatcher).
+controlplaneNamespace: "union-cp"
diff --git a/charts/dataplane/values.yaml b/charts/dataplane/values.yaml
index ce3b6dcd..37e4401a 100644
--- a/charts/dataplane/values.yaml
+++ b/charts/dataplane/values.yaml
@@ -1666,6 +1666,10 @@ prometheus:
 #  require additional permissions on the cluster. This limits the functionality though.
 low_privilege: true
 
+# -- Namespace of the control plane (for selfhosted-intracluster mode).
+# When set and secretsWatcher is enabled, RBAC roles are created in this namespace for cross-namespace access.
+controlplaneNamespace: ""
+
 # -- When enabled, creates a single shared ServiceAccount for all components
 # (operator, executor, proxy, webhook, fluentbit) instead of individual ones.
 # Automatically enabled when singleNamespace mode is active.