CVE-2026-9783: high-severity vulnerability in Quest NetVault Backup
Quest NetVault Backup NVBURemovableMedia SQL Injection Remote Code Execution Vulnerability
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.9%
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.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Quest · NetVault BackupRelated CVEs — Quest NetVault Backup
In the same product, most dangerous first.
CVE-2026-9787HIGHQuest NetVault Backup NVBULogDaemon Command Injection Remote Code Execution VulnerabilityEPSS 5.5%CVE-2026-9786HIGHQuest NetVault Backup NVBUDashboard SQL Injection Remote Code Execution VulnerabilityEPSS 0.9%CVE-2026-9785HIGHQuest NetVault Backup NVBULibrarySlot SQL Injection Remote Code Execution VulnerabilityEPSS 0.9%CVE-2026-9784HIGHQuest NetVault Backup NVBULibraryPort SQL Injection Remote Code Execution VulnerabilityEPSS 0.9%CVE-2026-9782HIGHQuest NetVault Backup NVBUDeviceDrive SQL Injection Remote Code Execution VulnerabilityEPSS 0.9%CVE-2026-9781HIGHQuest NetVault Backup NVBURASDevice SQL Injection Remote Code Execution VulnerabilityEPSS 0.9%