CVE-2026-21708

Critical

Description

A vulnerability allowing a Backup Viewer to perform remote code execution (RCE) as the postgres user.

SeverityCritical
CVSS9.9
Exploit probability—
ProductVeeam Backup \& Replication
PublishedMar 12, 2026
First seenMar 12, 2026
Weakness typeCWE-89SQL injection

How to fix

Update
  • veeam veeam_backup_\&_replication12.3.2.4465. or later

Affected products

ProductAffected versionsFixed in
veeam veeam_backup_\&_replication12.0.0.1402 ≤ v < 12.3.2.4465.12.3.2.4465.

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.