CVE-2026-21708

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-21708
A vulnerability allowing a Backup Viewer to perform remote code execution (RCE) as the postgres user.

9.9 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.1 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope CHANGED

References
Link Resource
https://www.veeam.com/kb4830 Vendor Advisory
https://www.veeam.com/kb4831 Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:*
History

05 Jun 2026, 19:43

Type Values Removed Values Added
CPE cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:*
First Time Veeam
Veeam veeam Backup \& Replication
References () https://www.veeam.com/kb4830 - () https://www.veeam.com/kb4830 - Vendor Advisory
References () https://www.veeam.com/kb4831 - () https://www.veeam.com/kb4831 - Vendor Advisory

10 May 2026, 13:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.9

17 Apr 2026, 16:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : 9.9 		v2 : unknown
v3 : unknown
CWE CWE-89
Summary
  • (es) Una vulnerabilidad que permite a un Visor de Copias de Seguridad realizar ejecución remota de código (RCE) como el usuario postgres.

12 Mar 2026, 17:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-12 17:16

Updated : 2026-06-05 19:43

NVD link : CVE-2026-21708

Mitre link : CVE-2026-21708

CVE.ORG link : CVE-2026-21708

JSON object : View

Products Affected

veeam

  • veeam_backup_\&_replication
CWE
CWE-89

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')