lib/execjs/external_runtime.rb in execjs-1.2.12 vs lib/execjs/external_runtime.rb in execjs-1.2.13

@@ -128,10 +128,11 @@
 
         if File.executable? cmd
           cmd
         else
           path = ENV['PATH'].split(File::PATH_SEPARATOR).find { |p|
-            File.executable? File.join(p, cmd)
+            full_path = File.join(p, cmd)
+            File.executable?(full_path) && File.file?(full_path)
           }
           path && File.expand_path(cmd, path)
         end
       end