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-rw-r--r--actionpack/lib/action_dispatch/routing/route_set.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/routing/route_set.rb b/actionpack/lib/action_dispatch/routing/route_set.rb
index ff86f87d49..ca31b5e02e 100644
--- a/actionpack/lib/action_dispatch/routing/route_set.rb
+++ b/actionpack/lib/action_dispatch/routing/route_set.rb
@@ -31,6 +31,8 @@ module ActionDispatch
# If any of the path parameters has a invalid encoding then
# raise since it's likely to trigger errors further on.
params.each do |key, value|
+ next unless value.respond_to?(:valid_encoding?)
+
unless value.valid_encoding?
raise ActionController::BadRequest, "Invalid parameter: #{key} => #{value}"
end