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 by exploiting improper validation of user-supplied strings used in SQL queries. Although authentication is nominally 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 input in NVBULibrarySlot JSON-RPC messages. This SQL injection flaw enables attackers to execute arbitrary code in the context of NETWORK SERVICE. The vulnerability requires authentication, but the authentication can be bypassed, increasing the risk. The vendor has released an update to fix the issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges on affected Quest NetVault Backup installations. This can lead to full compromise of the backup system, potentially impacting data integrity and availability.
Mitigation Recommendations
Quest has issued an official update that corrects this vulnerability. Applying the vendor's update is the recommended remediation. Since the vendor manages remediation through an official fix, users should consult the Quest support release notes for version 14.0.2 or later to ensure the patch is applied.
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 by exploiting improper validation of user-supplied strings used in SQL queries. Although authentication is nominally 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 input in NVBULibrarySlot JSON-RPC messages. This SQL injection flaw enables attackers to execute arbitrary code in the context of NETWORK SERVICE. The vulnerability requires authentication, but the authentication can be bypassed, increasing the risk. The vendor has released an update to fix the issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges on affected Quest NetVault Backup installations. This can lead to full compromise of the backup system, potentially impacting data integrity and availability.
Mitigation Recommendations
Quest has issued an official update that corrects this vulnerability. Applying the vendor's update is the recommended remediation. Since the vendor manages remediation through an official fix, users should consult the Quest support release notes for version 14.0.2 or later to ensure the patch is applied.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-374/","fetched":true,"fetchedAt":"2026-06-24T22:24:54.939Z","wordCount":199}
- Classification
- {"confidence":0.95,"severitySource":"heuristic","classifier":"rss-v2"}
Threat ID: 6a3c59a24853345fc1ee9665
Added to database: 06/24/2026, 22:26:42 UTC
Last enriched: 07/23/2026, 23:13:06 UTC
Last updated: 08/08/2026, 12:41:12 UTC
Views: 62
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