Index: poormanscron.module
===================================================================
--- poormanscron.module	(revision 90)
+++ poormanscron.module	(working copy)
@@ -56,6 +56,12 @@
  * @see poormanscron_run_cron_check_access()
  */
 function poormanscron_run_cron_check() {
+  // Close session so any session data generated by cron doesn't affect the current user who triggered this cron
+  session_write_close();
+  $_SESSION = array();
+  // Reset the current user to anonymous. Since session is closed we won't worry about changing the global user variable.
+  $GLOBALS['user'] = drupal_anonymous_user();
+
   $time = time();
   $cron_run = FALSE;
   $cron_threshold = variable_get('cron_safe_threshold', 10800);