diff --git a/glob/manager_core.py b/glob/manager_core.py
index 8d40953e..6eaa6a8c 100644
--- a/glob/manager_core.py
+++ b/glob/manager_core.py
@@ -23,7 +23,7 @@ sys.path.append(glob_path)
 import cm_global
 from manager_util import *
 
-version = [2, 51, 7]
+version = [2, 51, 8]
 version_str = f"V{version[0]}.{version[1]}" + (f'.{version[2]}' if len(version) > 2 else '')
 
 
diff --git a/glob/manager_server.py b/glob/manager_server.py
index 1cfc03d1..16144944 100644
--- a/glob/manager_server.py
+++ b/glob/manager_server.py
@@ -850,7 +850,7 @@ async def install_custom_node(request):
 
 @PromptServer.instance.routes.post("/customnode/fix")
 async def fix_custom_node(request):
-    if not is_allowed_security_level('high'):
+    if not is_allowed_security_level('middle'):
         print(SECURITY_MESSAGE_GENERAL)
         return web.Response(status=403)
 
@@ -871,6 +871,10 @@ async def fix_custom_node(request):
         return web.Response(status=400)
 
     if 'pip' in json_data:
+        if not is_allowed_security_level('high'):
+            print(SECURITY_MESSAGE_GENERAL)
+            return web.Response(status=403)
+
         for pname in json_data['pip']:
             install_cmd = [sys.executable, "-m", "pip", "install", '-U', pname]
             core.try_install_script(json_data['files'][0], ".", install_cmd)
diff --git a/pyproject.toml b/pyproject.toml
index 8314922f..60606e7d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [project]
 name = "comfyui-manager"
 description = "ComfyUI-Manager provides features to install and manage custom nodes for ComfyUI, as well as various functionalities to assist with ComfyUI."
-version = "2.51.7"
+version = "2.51.8"
 license = { file = "LICENSE.txt" }
 dependencies = ["GitPython", "PyGithub", "matrix-client==0.4.0", "transformers", "huggingface-hub>0.20", "typer", "rich", "typing-extensions"]