Maintenance Releases - Learn more about current maintenance releases of the Cortex XSIAM Broker VM and XDR Collectors. - Release Notes - Cortex XSIAM - Cortex - Security Operations

Cortex XSIAM 2.x Release Notes
Product
Cortex XSIAM
Creation date
2025-09-18
Last date published
2026-01-22
Category
Release Notes
Abstract

Learn more about current maintenance releases of the Cortex XSIAM Broker VM and XDR Collectors.

Cortex XSIAM includes a number of features that are updated with every Cortex XSIAM Release. The Broker VM and XDR Collectors are released with their own version number, and can include additional changes that are integrated in a separate maintenance release.

The latest Broker VM and XDR Collectors version is the only one to receive the critical bug fixes and security patches released. Therefore, we highly recommend upgrading to the latest version released. For more information about previous maintenance releases, see Previous Maintenance Releases.

Broker VM 29.0.77 (Major)

Abstract

Learn more about the Broker VM major 29.0.77 release.

The following table describes the changes integrated on the Broker VM major version 29.0.77 released on November 23, 2025 as part of the Cortex XSIAM 2.8 release. This version replaces the previous version released on November 9, 2025 as the major version for the release. The release is divided into three deployments: November 9, 2025, November 16, 2025, and November 23, 2025.

ISSUE

DESCRIPTION

CRTX-208420

Implemented an important update for Broker VMs deployed over Amazon Web Services (AWS).

Broker VM 29.0.71 (Major)

Abstract

Learn more about the Broker VM major 29.0.71 release.

The Broker VM major 29.0.71 release was released as part of Cortex XSIAM 2.8. The release is divided into three deployments: November 9, 2025, November 16, 2025, and November 23, 2025.

XDR Collectors 1.5.1 (Major)

Abstract

Learn more about the XDR Collectors 1.5.1 major release.

The XDR Collectors major release for Windows 1.5.1.2048 and Linux 1.5.1.1950 was released as part of the following releases of Cortex XSIAM:

  • 2.7 on August 13, 2025.

  • 2.8 on November 9, 2025

The following table describes the changes integrated for this release:

FEATURE/ISSUE

DESCRIPTION

CPATR-32150

An issue where after upgrading the XDRC Collectors caused connection failures when a proxy configuration was in use is now fixed.

XDR Collectors 1.4.3 (Major)

Abstract

Learn more about the XDR Collectors 1.4.3 major release.

The XDR Collectors major release for Windows 1.4.3.1686 was released as part of the following releases of Cortex XSIAM:

  • 2.5 on February 16, 2025

  • 2.6 on April 27, 2025

  • 2.7 on July 20, 2025

  • 2.8 on November 9, 2025

The following table describes the changes integrated for this release:

FEATURE/ISSUE

DESCRIPTION

New XDR Collector release versions for supporting different versions of Windows

To provide compatibility to older and newer versions of Windows, Cortex XSIAM now supports the following XDR Collector major versions:

  • XDRC 1.4.3 (Old line): Supports Windows 8 and Windows Server 2012 R2 versions, including supported older versions. These versions will be maintained in their current state and will only receive critical fixes going forward. This version is based on the existing 1.4.X XDRC line.

  • XDRC 1.5.0 (New line): Supports Windows 10 and above OS versions. These versions will receive all new features and development going forward, including OpenSSL 3+. This version is based on the new 1.5.X XDRC release.

CPATR-25963

An issue with the XDR Collectors checking component tags is now fixed that sometimes caused duplicate logs, unnecessary downloads, and redundant copying operations.

CPATR-27427

An issue with an HTTP header in the XDR Collectors server is now fixed that caused duplicate logs in some cases.