diff --git a/keystone/catalog/backends/sql.py b/keystone/catalog/backends/sql.py
index bd92f10794..ee7e66ba5f 100644
--- a/keystone/catalog/backends/sql.py
+++ b/keystone/catalog/backends/sql.py
@@ -296,7 +296,7 @@ class Catalog(catalog.CatalogDriverV8):
                         url = formatted_url
                     else:
                         continue
-                except exception.MalformedEndpoint:
+                except exception.MalformedEndpoint:  # nosec(tkelsey)
                     continue  # this failure is already logged in format_url()
 
                 region = endpoint['region_id']
@@ -358,7 +358,7 @@ class Catalog(catalog.CatalogDriverV8):
                             endpoint['url'] = formatted_url
                         else:
                             continue
-                    except exception.MalformedEndpoint:
+                    except exception.MalformedEndpoint:  # nosec(tkelsey)
                         # this failure is already logged in format_url()
                         continue
 
diff --git a/keystone/catalog/backends/templated.py b/keystone/catalog/backends/templated.py
index 2e80fd3272..60b6c874a3 100644
--- a/keystone/catalog/backends/templated.py
+++ b/keystone/catalog/backends/templated.py
@@ -236,7 +236,7 @@ class Catalog(core.Driver):
                             silent_keyerror_failures=silent_keyerror_failures)
                         if formatted_value:
                             service_data[k] = formatted_value
-                except exception.MalformedEndpoint:
+                except exception.MalformedEndpoint:  # nosec(tkelsey)
                     continue  # this failure is already logged in format_url()
                 catalog[region][service] = service_data
 
diff --git a/keystone/token/persistence/backends/kvs.py b/keystone/token/persistence/backends/kvs.py
index 2625273963..9659853b08 100644
--- a/keystone/token/persistence/backends/kvs.py
+++ b/keystone/token/persistence/backends/kvs.py
@@ -170,7 +170,7 @@ class Token(token.persistence.TokenDriverV8):
             for item in token_list:
                 try:
                     item_id, expires = self._format_token_index_item(item)
-                except (ValueError, TypeError):
+                except (ValueError, TypeError):  # nosec(tkelsey)
                     # NOTE(morganfainberg): Skip on expected errors
                     # possibilities from the `_format_token_index_item` method.
                     continue
@@ -334,7 +334,7 @@ class Token(token.persistence.TokenDriverV8):
         for item in token_list:
             try:
                 token_id, expires = self._format_token_index_item(item)
-            except (TypeError, ValueError):
+            except (TypeError, ValueError):  # nosec(tkelsey)
                 # NOTE(morganfainberg): Skip on expected error possibilities
                 # from the `_format_token_index_item` method.
                 continue
@@ -344,7 +344,7 @@ class Token(token.persistence.TokenDriverV8):
 
             try:
                 token_ref = self.get_token(token_id)
-            except exception.TokenNotFound:
+            except exception.TokenNotFound:  # nosec(tkelsey)
                 # NOTE(morganfainberg): Token doesn't exist, skip it.
                 continue
             if token_ref: