Recently, some of us received email notifications regarding the vulnerabilities listed below. A few members of the community have already shared updates as shown below.
In this guide, we shall update our Veeam Backup and Replciation Server to version 13.0.2.29.
To learn more about these security issues, refer to the following Veeam Knowledge Base (KB) articles: “4852 (affects v13.0.1.2067), while, 4831 (affects 13.0.1.1071 and earlier), and 4858 (affects Veeam ONE).
Veeam Security Updates and Build References Overview
The table below provides an overview of the latest Veeam security updates, cumulative patches, and build references affecting Veeam Backup & Replication and Veeam ONE deployments. These updates address multiple security vulnerabilities, platform stability issues, and operational improvements that you should review and apply to safeguard your systems.
| KB | Update Type | Affected Product | Purpose / Fix | Severity | Requires Reboot | Recommended Action | Notes |
|---|---|---|---|---|---|---|---|
| KB4831 | Security Update | Veeam Backup & Replication | Addresses multiple security vulnerabilities and stability fixes | Critical | Yes | Install immediately on all affected VBR servers | Ensure all remote components and proxies are upgraded afterward |
| KB4852 | Cumulative Patch | Veeam Backup & Replication | Resolves post-upgrade issues and improves platform stability | High | Recommended | Apply during maintenance window | Updates VBR to build 13.0.2.29 |
| KB4858 | Security Fixes & Improvements | Veeam ONE | Resolves vulnerabilities and introduces security-related improvements | High | Recommended | Upgrade Veeam ONE servers to the latest build | Review monitoring services and reporting functionality after upgrade |
| KB3103 | Product Build Reference | Veeam Backup & Replication | Official build numbers and version mapping reference | Informational | No | Use to verify installed build versions | Useful for compliance validation and troubleshooting |
Since the steps discussed here are similar to the below order than pulling the most recent updates from here. I will just go ahead and share the link to my blogpost for the upgrade steps: https://techdirectarchive.com/2026/05/29/fix-vulnerable-veeam-backup-and-replication-13-0-1-2067-and-earlier/
As you can see we have successfully upgradeed VBR to Build 13.0.2.29
You must upgrade any standalone consoles installed on workstations or separate servers must be updated next to match the exact version of the newly upgraded VBR server.
