SQL Injection Vulnerability in Quest NetVault Backup Software
CVE-2026-9784

8.8HIGH

Key Information:

Vendor

Quest

Status
Netvault Backup
Vendor
CVE Published:
24 June 2026

What is CVE-2026-9784?

A security flaw in Quest NetVault Backup allows remote attackers to execute arbitrary code by exploiting improper validation of user-supplied data in JSON-RPC messages. While authentication is required for exploitation, the vulnerability bypasses existing security measures, enabling attackers to manipulate SQL queries and execute code with NETWORK SERVICE privileges.

Affected Version(s)

NetVault Backup 14.0.0.19

References

https://www.zerodayinitiative.com/advisories/ZDI-26-373/
x_research-advisory
https://support.quest.com/technical-documents/netvault/14...
vendor-advisory

CVSS V3.0

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.