diff --git a/.jules/sentinel.md b/.jules/sentinel.md
index c6ffeedd36..04669830e9 100644
--- a/.jules/sentinel.md
+++ b/.jules/sentinel.md
@@ -12,6 +12,11 @@
 **Vulnerability:** Found JPQL injection in `ServiceCategoryController.java` where `getSelectText()` was directly concatenated into the query string for `findByJpql`.
 **Learning:** Controller classes in `com.divudi.bean.*` often use string building for `getSelectedItems()` when searching by name, exposing the system to injection vulnerabilities.
 **Prevention:** Use parameterized queries (`like :q`) and pass a `Map<String, Object>` to `getFacade().findByJpql(sql, params)` instead of string concatenation.
+
+## 2026-06-14 - JPQL Injection via String Concatenation in Controllers
+**Vulnerability:** Found JPQL injection in `RoomController.java` where `getSelectText()` was directly concatenated into the query string for `findByJpql`.
+**Learning:** Similar to the previous entry, controller classes (like `RoomController`) often use string building for `getSelectedItems()` when searching by name, exposing the system to injection vulnerabilities.
+**Prevention:** Use parameterized queries (`like :q`) and pass a `Map<String, Object>` to `getFacade().findByJpql(sql, params)` instead of string concatenation.
 ## 2024-06-15 - Hardcoded Payment Gateway Secrets
 
 **Vulnerability:** Hardcoded payment gateway secrets (Merchant ID, API Username, API Password) were used as default values when fetching configuration settings in `PaymentGatewayController.java`.
diff --git a/src/main/java/com/divudi/bean/inward/RoomController.java b/src/main/java/com/divudi/bean/inward/RoomController.java
index 4c3872bdc2..d0ba65ef2a 100644
--- a/src/main/java/com/divudi/bean/inward/RoomController.java
+++ b/src/main/java/com/divudi/bean/inward/RoomController.java
@@ -15,6 +15,8 @@
 import java.io.Serializable;
 import java.util.Date;
 import java.util.List;
+import java.util.Map;
+import java.util.HashMap;
 import javax.ejb.EJB;
 import javax.enterprise.context.SessionScoped;
 import javax.faces.component.UIComponent;
@@ -44,7 +46,10 @@ public class RoomController implements Serializable {
     String selectText = "";
 
     public List<Room> getSelectedItems() {
-        selectedItems = getFacade().findByJpql("select c from Room c where c.retired=false  and (c.name) like '%" + getSelectText().toUpperCase() + "%' order by c.name");
+        String sql = "select c from Room c where c.retired=false and upper(c.name) like :q order by c.name";
+        Map<String, Object> m = new HashMap<>();
+        m.put("q", "%" + getSelectText().toUpperCase() + "%");
+        selectedItems = getFacade().findByJpql(sql, m);
         return selectedItems;
     }