diff --git a/server/src/main/java/org/opensearch/extensions/ExtensionsManager.java b/server/src/main/java/org/opensearch/extensions/ExtensionsManager.java
index 8118760cd1bb2..0bc9a8ea5ebf5 100644
--- a/server/src/main/java/org/opensearch/extensions/ExtensionsManager.java
+++ b/server/src/main/java/org/opensearch/extensions/ExtensionsManager.java
@@ -66,6 +66,7 @@
 import org.opensearch.transport.TransportService;
 import org.yaml.snakeyaml.Yaml;
 import org.opensearch.env.EnvironmentSettingsResponse;
+import org.yaml.snakeyaml.constructor.SafeConstructor;
 
 /**
  * The main class for managing Extension communication with the OpenSearch Node.
@@ -555,7 +556,7 @@ public String executor() {
     }
 
     private ExtensionsSettings readFromExtensionsYml(Path filePath) throws IOException {
-        Yaml yaml = new Yaml();
+        Yaml yaml = new Yaml(new SafeConstructor());
         try (InputStream inputStream = Files.newInputStream(filePath)) {
             Map<String, Object> obj = yaml.load(inputStream);
             if (obj == null) {