CVE-2026-21671

critical · 9.1

A vulnerability allowing an authenticated user with the Backup Administrator role to perform remote code execution (RCE) in high availability (HA) deployments of Veeam Backup & Replication.

9.1

CVSS

1.3%

EPSS (exploit prob.)

70th

EPSS percentile

2026-03-12

Published

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weaknesses

CWE-94CWE-693

Affected products

Vendor	Product	Affected versions
veeam	veeam_backup_&_replication	>= 13.0.0.496, <= 13.0.1.1071

Check a specific version with /api/v1/cve/match.

References

https://www.veeam.com/kb4831

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-21671