CVE-2026-9781

High

Description

Quest NetVault Backup NVBURASDevice SQL Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Quest NetVault Backup. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the processing of NVBURASDevice JSON-RPC messages. The issue results from the lack of proper validation of a user-supplied string before using it to construct SQL queries. An attacker can leverage this vulnerability to execute code in the context of NETWORK SERVICE. Was ZDI-CAN-27648.

SeverityHigh
CVSS8.8
Exploit probability—
ProductQuest Netvault Backup
PublishedJun 25, 2026
First seenJun 25, 2026
Weakness typeCWE-89SQL injection

How to fix

Update
  • quest netvault_backup14.0.2 or later

Affected products

ProductAffected versionsFixed in
quest netvault_backupv < 14.0.214.0.2

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