ZDI-26-374: Quest NetVault Backup NVBULibrarySlot SQL Injection Remote Code Execution Vulnerability
A critical SQL injection vulnerability exists in Quest NetVault Backup's NVBULibrarySlot JSON-RPC message processing. This flaw allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges. Although authentication is required, the authentication mechanism can be bypassed. Quest has issued an update to address this vulnerability.
AI Analysis
Technical Summary
CVE-2026-9785 is a critical remote code execution vulnerability in Quest NetVault Backup caused by improper validation of user-supplied strings used in SQL queries within the NVBULibrarySlot JSON-RPC interface. Attackers can bypass authentication and execute arbitrary code in the context of NETWORK SERVICE. The vulnerability stems from SQL injection due to lack of input validation. Quest has released an update to fix this issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges on affected systems, potentially leading to full system compromise. The authentication bypass increases the risk by allowing attackers to exploit the vulnerability without valid credentials.
Mitigation Recommendations
Quest has issued an official update that corrects this vulnerability. Applying the vendor's update is the recommended remediation. No additional mitigation steps are specified or required beyond applying the official fix.
ZDI-26-374: Quest NetVault Backup NVBULibrarySlot SQL Injection Remote Code Execution Vulnerability
Description
A critical SQL injection vulnerability exists in Quest NetVault Backup's NVBULibrarySlot JSON-RPC message processing. This flaw allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges. Although authentication is required, the authentication mechanism can be bypassed. Quest has issued an update to address this vulnerability.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-9785 is a critical remote code execution vulnerability in Quest NetVault Backup caused by improper validation of user-supplied strings used in SQL queries within the NVBULibrarySlot JSON-RPC interface. Attackers can bypass authentication and execute arbitrary code in the context of NETWORK SERVICE. The vulnerability stems from SQL injection due to lack of input validation. Quest has released an update to fix this issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges on affected systems, potentially leading to full system compromise. The authentication bypass increases the risk by allowing attackers to exploit the vulnerability without valid credentials.
Mitigation Recommendations
Quest has issued an official update that corrects this vulnerability. Applying the vendor's update is the recommended remediation. No additional mitigation steps are specified or required beyond applying the official fix.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-374/","fetched":true,"fetchedAt":"2026-06-24T22:24:54.939Z","wordCount":199}
Threat ID: 6a3c59a24853345fc1ee9665
Added to database: 06/24/2026, 22:26:42 UTC
Last enriched: 06/24/2026, 22:27:32 UTC
Last updated: 06/24/2026, 23:59:48 UTC
Views: 3
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