Paper/paper-server/nms-patches/net/minecraft/world/item/ItemMinecart.patch

--- a/net/minecraft/world/item/ItemMinecart.java
+++ b/net/minecraft/world/item/ItemMinecart.java
@@ -67,7 +67,12 @@
                 if (world instanceof WorldServer) {
                     WorldServer worldserver = (WorldServer) world;
 
-                    worldserver.addFreshEntity(entityminecartabstract);
+                    // CraftBukkit start
+                    if (org.bukkit.craftbukkit.event.CraftEventFactory.callEntityPlaceEvent(itemactioncontext, entityminecartabstract).isCancelled()) {
+                        return EnumInteractionResult.FAIL;
+                    }
+                    // CraftBukkit end
+                    if (!worldserver.addFreshEntity(entityminecartabstract)) return EnumInteractionResult.PASS; // CraftBukkit
                     worldserver.gameEvent((Holder) GameEvent.ENTITY_PLACE, blockposition, GameEvent.a.of(itemactioncontext.getPlayer(), worldserver.getBlockState(blockposition.below())));
                 }