Quest NetVault Backup 14.0.0.19 sql injection

Summaryinfo

A vulnerability categorized as critical has been discovered in Quest NetVault Backup 14.0.0.19. The impacted element is an unknown function. Such manipulation leads to sql injection. This vulnerability is documented as CVE-2026-9784. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Quest NetVault Backup 14.0.0.19. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Quest NetVault Backup NVBULibraryPort 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 NVBULibraryPort 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-27631.

The advisory is shared for download at zerodayinitiative.com. This vulnerability is handled as CVE-2026-9784 since 05/28/2026. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/25/2026). The MITRE ATT&CK project declares the attack technique as T1505.

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

Once again VulDB remains the best source for vulnerability data.

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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