CVE-2026-21668: Veeam Backup & Replication

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate arbitrary files on a Backup Repository.

Affected products

• Veeam Veeam Backup & Replication: from 12.0.0.1402, before 12.3.2.4465 (fixed in 12.3.2.4465)

Published 2026-03-12. Last modified 2026-06-17.