What’s Vulnerable › Vulnerabilities

CVE-2026-9783: Quest NetVault Backup NVBURemovableMedia SQL Injection Remote Code Execution Vulnerability

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-25 · updated 2026-10-25
• Weakness: CWE-89

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.

Affected products

• Quest NetVault Backup: before 14.0.2 — fixed in 14.0.2

How to fix

Upgrade to a fixed version: Quest NetVault Backup 14.0.2. Check the vendor advisory for mitigations.

References

• https://support.quest.com/technical-documents/netvault/14.0.2/release-notes#TOPIC-2338529
• https://www.zerodayinitiative.com/advisories/ZDI-26-372/

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