Here is the link:
Pick
English as your language and quick search for
aviation security. Refine your search. Pick a consolidated version if available. Make sure that the chosen display includes the annexes. Check whether your chosen piece of legislation is in force or no longer in force. I don't provide a fixed link because there are frequent amendments of all sorts.
Your experience is limited. What does it mean that hiking/walking poles are not on the list of prohibited items in current EU law? It means that they are not prohibited as such. It does not mean that they are allowed under all circumstances and everywhere in the EU. An EU country or just an EU airport can have a list of prohibited items for cabin baggage that is stricter than EU law. Santiago airport is a good example for this.
EU airports also have slightly different rules concerning prohibited items in cabin baggage depending on whether you fly to an airport in the EU or to an airport in the United States.