ZDI-26-372: Quest NetVault Backup NVBURemovableMedia SQL Injection Remote Code Execution Vulnerability
A SQL injection vulnerability in Quest NetVault Backup's NVBURemovableMedia JSON-RPC processing allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges. Although exploitation requires authentication, the authentication mechanism can be bypassed. Quest has issued an update to address this vulnerability.
AI Analysis
Technical Summary
CVE-2026-9783 is a critical remote code execution vulnerability in Quest NetVault Backup. It arises from improper validation of user-supplied strings used in SQL queries within the NVBURemovableMedia JSON-RPC interface. Attackers can bypass authentication and execute arbitrary code in the context of NETWORK SERVICE. The vulnerability has a CVSS score of 8.8 and was publicly disclosed on June 24, 2026. Quest has released an update to fix this issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code on affected systems with NETWORK SERVICE privileges, potentially leading to full compromise of the affected NetVault Backup installation. The authentication bypass increases the risk by lowering the barrier to exploitation.
Mitigation Recommendations
Quest has issued an official update that corrects this vulnerability. Applying the vendor's update is the recommended remediation. No additional mitigations are specified in the advisory.
ZDI-26-372: Quest NetVault Backup NVBURemovableMedia SQL Injection Remote Code Execution Vulnerability
Description
A SQL injection vulnerability in Quest NetVault Backup's NVBURemovableMedia JSON-RPC processing allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges. Although exploitation requires authentication, 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-2026-9783 is a critical remote code execution vulnerability in Quest NetVault Backup. It arises from improper validation of user-supplied strings used in SQL queries within the NVBURemovableMedia JSON-RPC interface. Attackers can bypass authentication and execute arbitrary code in the context of NETWORK SERVICE. The vulnerability has a CVSS score of 8.8 and was publicly disclosed on June 24, 2026. Quest has released an update to fix this issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code on affected systems with NETWORK SERVICE privileges, potentially leading to full compromise of the affected NetVault Backup installation. The authentication bypass increases the risk by lowering the barrier to exploitation.
Mitigation Recommendations
Quest has issued an official update that corrects this vulnerability. Applying the vendor's update is the recommended remediation. No additional mitigations are specified in the advisory.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-372/","fetched":true,"fetchedAt":"2026-06-24T22:24:58.667Z","wordCount":199}
- Classification
- {"confidence":0.95,"severitySource":"heuristic","classifier":"rss-v2"}
Threat ID: 6a3c59a24853345fc1ee966b
Added to database: 06/24/2026, 22:26:42 UTC
Last enriched: 07/23/2026, 23:13:19 UTC
Last updated: 08/09/2026, 00:41:16 UTC
Views: 88
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