Quest NetVault Backup 14.0.0.19 sql injection

Summaryinfo

A vulnerability labeled as critical has been found in Quest NetVault Backup 14.0.0.19. This impacts an unknown function. Executing a manipulation can lead to sql injection. This vulnerability appears as CVE-2026-9786. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability has been found in Quest NetVault Backup 14.0.0.19 and classified as critical. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Quest NetVault Backup NVBUDashboard 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 NVBUDashboard 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-27626.

The advisory is available at zerodayinitiative.com. This vulnerability was named CVE-2026-9786 since 05/28/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/25/2026). This vulnerability is assigned to T1505 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Backup Software

Vendor

• Quest

Name

• NetVault Backup

Version

• 14.0.0.19

License

• commercial

Website

• Vendor: https://www.quest.com/

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