ZDI-CAN-27631: ZDI-26-373: Quest NetVault Backup NVBULibraryPort SQL Injection Remote Code Execution Vulnerability

Published Jun 24, 2026

Updated

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 ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2026-9784.

Affected Software

1 affected component

Quest NetVault Backup

Event History

Jun 24, 2026

Advisory Published

via ZDI·05:00 AM

Data Sourced

via ZDI·05:00 AM

Description

Frequently Asked Questions

What is the severity of ZDI-CAN-27631?

ZDI-CAN-27631 has a CVSS rating of 8.8, indicating high severity.

How do I fix ZDI-CAN-27631?

To fix ZDI-CAN-27631, update Quest NetVault Backup to the latest version that addresses this vulnerability.

What type of vulnerability is ZDI-CAN-27631?

ZDI-CAN-27631 is an SQL Injection vulnerability that allows remote code execution.

Is authentication required to exploit ZDI-CAN-27631?

Yes, authentication is required, but the existing authentication mechanism can be bypassed.

What can attackers achieve with ZDI-CAN-27631?

Attackers can execute arbitrary code on affected installations of Quest NetVault Backup.