diff --git a/core/document.cpp b/core/document.cpp

index bc0232a..a2c8b46 100644

--- a/core/document.cpp

+++ b/core/document.cpp

@@ -3826,6 +3826,18 @@ bool Document::openDocumentArchive( const QString & docFile, const KUrl & url )

        return false;

     const KArchiveDirectory * mainDir = okularArchive.directory();

+

+    // Check the archive doesn't have folders, we don't create them when saving the archive

+    // and folders mean paths and paths mean path traversal issues

+    foreach ( const QString &entry, mainDir->entries() )

+    {

+        if ( mainDir->entry( entry )->isDirectory() )

+        {

+            kWarning(OkularDebug) << "Warning: Found a directory inside" << docFile << " - Okular does not create files like that so it is most probably forged.";

+            return false;

+        }

+    }

+

     const KArchiveEntry * mainEntry = mainDir->entry( "content.xml" );

     if ( !mainEntry || !mainEntry->isFile() )

         return false;