Luxembourg, May 7th, 2026

NoMachine makes available version 9.5.7, providing fixes for issues found in previous releases and a possible privilege escalation on Windows. It also sports updates to some third parties libraries and enhancements to support for CA certificates.

OpenSSL libraries shipped by NoMachine client and server packages have been updated to v3.0.20. The full list of CVE patched by the new OpenSSL v3.0.20 is available on their Official web site at: https://github.com/openssl/openssl/releases/tag/openssl-3.0.20.

The nxhtd component included in commercial server packages is based on httpd 2.4.67, changes in the new version of Apache are listed here: https://downloads.apache.org/httpd/CHANGES_2.4.67.

Additionally, trusted CA certificates for PKI authentication are now supported also for connections via Web and between cluster servers peers. See https://kb.nomachine.com/AR06W01292 for instructions.

Trouble Reports solved

Here is the complete list of fixes released in version 9.5.7:

TR07W11474 - Automatic session recording can freeze after the user logs-in to the system
TR04X11783 - Network port forwarding from and to macOS may not work
TR04X11777 - Users sometimes not able to authenticate to the node by web
TR04X11790 - In some rare cases the Windows user is unable to login to NoMachine Network
TR04X11776 - A black screen may occur on older macOS after a reboot
TR04X11787 - The client could suddenly close when uploading file through drag&drop from MacOS Tahoe
TR04X11773 - Kerberos Credentials Cache forwarding may not work on the nodes
TR04X11805 - CA-signed host certificate chain verification may fail
TR04X11788 - CA could be not available for connections by NX protocol in multinode environments
TR05V11160 - The 'nxserver --daemon' process suddenly terminates when connections to the physical desktop are enabled on the node
TR04X11802 - Potential local privileges escalation through argument injection in the nxchmod.sh script
TR03X11769 - It may be not possible to forward devices to a Windows client

Supported Platforms

Windows 32-bit/64-bit 7/8/8.1/10/11
Windows Server 2008/2012/2016/2019/2022

Mac Intel OS X 10.9 to 10.11, macOS 10.12 to 26

Linux 32-bit and 64-bit
RHEL 6.0 to RHEL 10
CentOS 6.0 to CentOS 8.5
CentOS Stream 8 to CentOS Stream 10
SLED 11 to SLED 15
SLES 11 to SLES 15
openSUSE 11.x to openSUSE 16.x
Fedora 10 to Fedora 44
Debian 5 to Debian 13
Ubuntu 8.04 to Ubuntu 26.04

Raspberry Pi 2 ARMv6/ARMv7
Raspberry Pi 3 ARMv6/ARMv7/ARMv8/
Raspberry Pi 4 ARMv7/ARMv8
Raspberry Pi 5 ARMv7/ARMv8

ARMv7/ARMv8

Important Notices

Customers of Enterprise Cloud Server Cluster v8 who wish to upgrade to v9 should refer to the instructions at: https://www.nomachine.com/AR11V01257. 'Online' subscriptions v9 for the enterprise products require a NoMachine server v9 and are not compatible with servers v8 or earlier. Please do not hesitate to contact us via any of the available channels for assistance.

All NoMachine Enterprise software for evaluation can now be activated using a license file which is generated from the User Area and activated online.  For further instructions, users can consult the following article https://kb.nomachine.com/AR10K00713.

The RPM packages are now built using a more recent version of RPM in order to support also SHA256 digest and to allow signature verification on recent RPM-based systems. On old OS versions like Open SUSE 11.2 and earlier, it will be necessary to install NoMachine tar.gz packages.

The current version doesn't provide full support for Wayland-native virtual desktops as required by adopting GNOME 49, a possible temporary solution is to downgrade GNOME or adopt a lightweight desktop. More details are available here: https://kb.nomachine.com/AR10W01330

Download NoMachine Packages

You can download the latest packages suitable for your Operating System from the NoMachine Web site at the following URL: https://download.nomachine.com . Customers holding a valid subscriptions can log in to their User Area and download the appropriate server package for their subscription from the Enterprise > Downloads section. Note that Support Contacts are no longer entitled to access packages from the Customer's User Area. They can however download the appropriate package from the https://download.nomachine.com/enterprise/ page.

Automatic updates

The automatic check for updates is scheduled to check our repositories every two days.

To update the free NoMachine package:
- Open the NoMachine User Interface from your Programs Menu.
- From the Machines panel click on 'Settings', then on 'Server' and finally on 'Updates'.
- Then click on the 'Check now' button.

To update the NoMachine Enterprise Client immediately:
- Click on 'Settings', from the Player panel click 'Updates'.
- Then click on the 'Check now' button.

More information about the check for automatic updates is available here:
https://www.nomachine.com/AR05M00847

Manual package installation or update

Please follow the instructions to install the package or update your installation manually:

On Windows:

- Download and save the EXE file.
- Double click on the NoMachine executable file.

The Setup Wizard will take you through all steps necessary for installing or updating NoMachine.

On macOS:

- Download and save the DMG file.
- Double-click on the Disk Image to open it and double-click on the NoMachine program icon.

The Installer will take you through all steps necessary for installing or updating NoMachine.

On Linux:

You can use the graphical package manager provided by your Linux distribution or update NoMachine by command line by following instructions below. If you don't have the sudo utility installed, log on as superuser ("root") and run the commands without sudo.

RPM

- Download and save the RPM file.
- Install the package by running:
# rpm -ivh pkgName_pkgVersion_arch.rpm

or update your NoMachine installation by running:
# rpm -Uvh pkgName_pkgVersion_arch.rpm

DEB

- Download and save the DEB file.
- Install the package by running:
$ sudo dpkg -i pkgName_pkgVersion_arch.deb

or update your NoMachine installation by running:
$ sudo dpkg -i pkgName_pkgVersion_arch.deb

TAR.GZ

- Download and save the TAR.GZ file.
- Install the package by running:
$ cd /usr
$ sudo tar xvzf .tar.gz
$ sudo /usr/NX/nxserver --install 

or update your NoMachine installation by running:
$ cd /usr
$ sudo tar xvzf .tar.gz
$ sudo /usr/NX/nxserver --update

If you are installing Enterprise Client or Node run respectively:
$ sudo /usr/NX/nxclient --update
$ sudo /usr/NX/nxnode --update

Documents

Installation and configuration guides for the NoMachine products are available at: https://www.nomachine.com/support/documents

The NoMachine Development Team