8.8
HIGH CVSS 3.0
CVE-2026-9783
Quest NetVault Backup NVBURemovableMedia SQL Injection Remote Code Execution Vulnerability
Description

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.

INFO

Published Date :

June 24, 2026, 11:14 p.m.

Last Modified :

June 24, 2026, 11:14 p.m.

Remotely Exploit :

No

Source :

zdi
Affected Products

The following products are affected by CVE-2026-9783 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Quest netvault_backup
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.0 HIGH 99f1926a-a320-47d8-bbb5-42feb611262e
Solution
Update NetVault Backup to a version that addresses the SQL injection vulnerability.
  • Update Quest NetVault Backup to the latest version.
  • Apply vendor-supplied patches for NVBURemovableMedia.
  • Review and strengthen authentication mechanisms.
  • Validate user input for SQL query construction.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-9783 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.