Summary of Cato Linux Client Releases

This article summarizes features and enhancements of Linux Clients.

In addition, it also lists the known limitations.

Admins and users can easily download the Client from the Client download portal without requiring authentication.

For more information about the requirements to implement Cato's remote access in your organization, see Preparing to Install the Cato Client.

Linux Clients

This section summarizes the features and enhancements of Linux Clients:

Starting Sept 6, 2026, we are rolling out Linux Client version 5.8.1. This version contains the following:

Improved certificate validation process for DTLS tunnel connections
Support for ARM64 architecture, expanding compatibility to ARM-based Linux devices and servers.
Stability improvements, security updates, and bug fixes

ID	Description	Severity
188257	Resolved an issue where importing a device certificate on the Linux Client failed when a relative file path was used with the `cato-sdp import-cert` command.	High

Starting April 26, 2026, we are rolling out Linux Client version 5.7. This version contains the following:

ID	Description	Severity
172898	Fixed an issue where authentication could time out and prevent the browser sign-in window from opening	Critical
160220	Fixed an issue that impacted the stability of the Cato Client, related to daemon responsiveness and connection failures	High
177067	Fixed an issue that could cause intermittent disconnections due to client crashes	High

Starting February 15, 2026, we are rolling out Linux Client version 5.6. This version contains the following:

ID	Description	Severity
156571	Fixed an issue where using the --no-office-mode flag could return a (null) error and prevent the client from connecting when placed behind a socket	Medium