diff --git a/Jellyfin.Api/Controllers/PackageController.cs b/Jellyfin.Api/Controllers/PackageController.cs
index 1f8f963f70..10bcf4e717 100644
--- a/Jellyfin.Api/Controllers/PackageController.cs
+++ b/Jellyfin.Api/Controllers/PackageController.cs
@@ -3,7 +3,9 @@ using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Threading.Tasks;
+using Jellyfin.Extensions;
 using MediaBrowser.Common.Api;
+using MediaBrowser.Common.Plugins;
 using MediaBrowser.Common.Updates;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Model.Updates;
@@ -23,16 +25,22 @@ public class PackageController : BaseJellyfinApiController
 {
     private readonly IInstallationManager _installationManager;
     private readonly IServerConfigurationManager _serverConfigurationManager;
+    private readonly IPluginManager _pluginManager;
 
     /// <summary>
     /// Initializes a new instance of the <see cref="PackageController"/> class.
     /// </summary>
     /// <param name="installationManager">Instance of the <see cref="IInstallationManager"/> interface.</param>
     /// <param name="serverConfigurationManager">Instance of the <see cref="IServerConfigurationManager"/> interface.</param>
-    public PackageController(IInstallationManager installationManager, IServerConfigurationManager serverConfigurationManager)
+    /// <param name="pluginManager">Instance of the <see cref="IPluginManager"/> interface.</param>
+    public PackageController(
+        IInstallationManager installationManager,
+        IServerConfigurationManager serverConfigurationManager,
+        IPluginManager pluginManager)
     {
         _installationManager = installationManager;
         _serverConfigurationManager = serverConfigurationManager;
+        _pluginManager = pluginManager;
     }
 
     /// <summary>
@@ -48,6 +56,13 @@ public class PackageController : BaseJellyfinApiController
         [FromRoute, Required] string name,
         [FromQuery] Guid? assemblyGuid)
     {
+        // Plugins bundled with the server are not published to any repository, so querying
+        // the configured repositories for them can only ever fail, and does so slowly.
+        if (IsBundledPlugin(name, assemblyGuid))
+        {
+            return NotFound();
+        }
+
         var packages = await _installationManager.GetAvailablePackages().ConfigureAwait(false);
         var result = _installationManager.FilterPackages(
                 packages,
@@ -96,6 +111,11 @@ public class PackageController : BaseJellyfinApiController
         [FromQuery] string? version,
         [FromQuery] string? repositoryUrl)
     {
+        if (IsBundledPlugin(name, assemblyGuid))
+        {
+            return NotFound();
+        }
+
         var packages = await _installationManager.GetAvailablePackages().ConfigureAwait(false);
         if (!string.IsNullOrEmpty(repositoryUrl))
         {
@@ -161,4 +181,13 @@ public class PackageController : BaseJellyfinApiController
         _serverConfigurationManager.SaveConfiguration();
         return NoContent();
     }
+
+    private bool IsBundledPlugin(string name, Guid? assemblyGuid)
+    {
+        var plugin = assemblyGuid is Guid id && !id.IsEmpty()
+            ? _pluginManager.GetPlugin(id)
+            : _pluginManager.Plugins.FirstOrDefault(p => p.Name.Equals(name, StringComparison.OrdinalIgnoreCase));
+
+        return plugin?.Instance?.CanUninstall == false;
+    }
 }