Quest NetVault Backup 14.0.0.19 sql injection

Summaryinfo

A vulnerability was found in Quest NetVault Backup 14.0.0.19. It has been rated as critical. The affected element is an unknown function. This manipulation causes sql injection. This vulnerability is registered as CVE-2026-9783. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in Quest NetVault Backup 14.0.0.19. Affected by this vulnerability is an unknown function. 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. The summary by CVE is:

Quest NetVault Backup NVBURemovableMedia 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 NVBURemovableMedia 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-27632.

It is possible to read the advisory at zerodayinitiative.com. This vulnerability is known as CVE-2026-9783 since 05/28/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/25/2026). The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

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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