1 files changed, 16 insertions, 0 deletions
diff --git a/Jellyfin.Api/WebSocketListeners/SessionInfoWebSocketListener.cs b/Jellyfin.Api/WebSocketListeners/SessionInfoWebSocketListener.cs
index 0d8bf205c..b403ff46d 100644
--- a/Jellyfin.Api/WebSocketListeners/SessionInfoWebSocketListener.cs
+++ b/Jellyfin.Api/WebSocketListeners/SessionInfoWebSocketListener.cs
@@ -1,5 +1,7 @@
 using System.Collections.Generic;
 using System.Threading.Tasks;
+using Jellyfin.Data.Enums;
+using MediaBrowser.Controller.Authentication;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Net;
 using MediaBrowser.Controller.Session;
@@ -66,6 +68,20 @@ public class SessionInfoWebSocketListener : BasePeriodicWebSocketListener<IEnume
         base.Dispose(dispose);
     }
 
+    /// <summary>
+    /// Starts sending messages over a session info web socket.
+    /// </summary>
+    /// <param name="message">The message.</param>
+    protected override void Start(WebSocketMessageInfo message)
+    {
+        if (!message.Connection.AuthorizationInfo.User.HasPermission(PermissionKind.IsAdministrator))
+        {
+            throw new AuthenticationException("Only admin users can subscribe to session information.");
+        }
+
+        base.Start(message);
+    }
+
     private async void OnSessionManagerSessionActivity(object? sender, SessionEventArgs e)
     {
         await SendData(false).ConfigureAwait(false);