diff --git a/CHANGELOG.md b/CHANGELOG.md
index aa6e7bce8655d..feec72191e808 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -33,6 +33,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Fix case insensitive and escaped query on wildcard ([#16827](https://github.com/opensearch-project/OpenSearch/pull/16827))
 - Fix exists queries on nested flat_object fields throws exception ([#16803](https://github.com/opensearch-project/OpenSearch/pull/16803))
 - Add highlighting for wildcard search on `match_only_text` field ([#17101](https://github.com/opensearch-project/OpenSearch/pull/17101))
+- Changed CatShardsAction to internal to allow non-admin users. ([#17203](https://github.com/opensearch-project/OpenSearch/pull/17203))
 - Fix illegal argument exception when creating a PIT ([#16781](https://github.com/opensearch-project/OpenSearch/pull/16781))
 
 ### Security
diff --git a/server/src/main/java/org/opensearch/action/admin/cluster/shards/CatShardsAction.java b/server/src/main/java/org/opensearch/action/admin/cluster/shards/CatShardsAction.java
index 381a950fe9a79..733da74c62087 100644
--- a/server/src/main/java/org/opensearch/action/admin/cluster/shards/CatShardsAction.java
+++ b/server/src/main/java/org/opensearch/action/admin/cluster/shards/CatShardsAction.java
@@ -17,7 +17,7 @@
  */
 public class CatShardsAction extends ActionType<CatShardsResponse> {
     public static final CatShardsAction INSTANCE = new CatShardsAction();
-    public static final String NAME = "cluster:monitor/shards";
+    public static final String NAME = "internal:monitor/shards";
 
     private CatShardsAction() {
         super(NAME, CatShardsResponse::new);