The syntax of cookies is described in http://www.ietf.org/rfc/rfc2109…

….txt,

section 4.1. Cookies are attribute-value pairs, so split should only return 2
values. This will allow '=' within the value of a cookie.

lib/httparty/cookie_hash.rb

@@ -8,7 +8,7 @@ def add_cookies(value)
       merge!(value)
     when String
       value.split('; ').each do |cookie|
-        array = cookie.split('=')
+        array = cookie.split('=',2)
         self[array[0].to_sym] = array[1]
       end
     else

spec/httparty/cookie_hash_spec.rb

@@ -35,6 +35,13 @@
         @cookie_hash.length.should eql(1)
         @cookie_hash[:foo].should eql("tar")
       end
+
+      it "should handle '=' within cookie value" do
+          @cookie_hash.add_cookies("first=one=1; second=two=2==")
+          @cookie_hash.keys.should include(:first, :second)
+          @cookie_hash[:first].should == 'one=1'
+          @cookie_hash[:second].should == 'two=2=='
+      end
     end
 
     describe 'with other class' do