CVE-2026-9784
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk48th percentile — higher than 48% of all known CVEs
Summary
A vulnerability in Quest NetVault Backup allows remote code execution via SQL injection in the NVBULibraryPort component. Authentication is required but can be bypassed.
Risk Assessment
The risk for the organization includes potential takeover of the NETWORK SERVICE account, leading to privilege escalation and further system compromise.
Recommendation
Immediately update Quest NetVault Backup to the latest patched version and implement additional authentication and monitoring for JSON-RPC traffic.
Original NVD description (English source)
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.