omg I don't know what I am doing

src/topics.js

@@ -353,6 +353,16 @@ var async = require('async'),
 							return parseInt(read[index], 10) === 0;
 						});
 
+						// Filter out topics that belong to categories that this user cannot access
+						async.filter(newtids, function(tid, next) {
+							threadTools.privileges(tid, uid, function(err, privileges) {
+								if (!err && privileges.read) {
+									next(true);
+								} else {
+									next(false);
+								}
+							});
+						}, function(newtids) {
 							unreadTids.push.apply(unreadTids, newtids);
 
 							if(continueCondition()) {
@@ -362,6 +372,7 @@ var async = require('async'),
 
 							callback(null);
 						});
+					});
 				}
 			});
 		}, function(err) {