Fixed #30044 -- Raised a FieldError on inherited field update attempts.

1 files changed, 2 insertions, 0 deletions

diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py
index 7d991b6b84..675ff8c176 100644
--- a/django/db/models/sql/query.py
+++ b/django/db/models/sql/query.py
@@ -1600,6 +1600,8 @@ class Query:
             field_list = name.split(LOOKUP_SEP)
             join_info = self.setup_joins(field_list, self.get_meta(), self.get_initial_alias(), can_reuse=reuse)
             targets, final_alias, join_list = self.trim_joins(join_info.targets, join_info.joins, join_info.path)
+            if not allow_joins and len(join_list) > 1:
+                raise FieldError('Joined field references are not permitted in this query')
             if len(targets) > 1:
                 raise FieldError("Referencing multicolumn fields with F() objects "
                                  "isn't supported")