diff --git a/src/registrar/context_processors.py b/src/registrar/context_processors.py
index 810c8fafe..73f78a33e 100644
--- a/src/registrar/context_processors.py
+++ b/src/registrar/context_processors.py
@@ -41,7 +41,13 @@ def is_production(request):
 
 
 def portfolio_permissions(request):
-    """"""
+    """Make portfolio permissions for the request user available in global context"""
+    if not request.user.is_authenticated:
+        return {
+            "has_base_portfolio_permission": False,
+            "has_domains_portfolio_permission": False,
+            "has_domain_requests_portfolio_permission": False,
+        }
     return {
         "has_base_portfolio_permission": request.user.has_portfolio_permission(
             User.UserPortfolioPermissionChoices.VIEW_PORTFOLIO