CVE-2026-9787 Details
Description
Quest NetVault Backup NVBULogDaemon Command 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 NVBULogDaemon JSON-RPC messages. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-27625.
A command injection vulnerability allowing remote code execution has been identified in Quest NetVault Backup versions through 14.0.2. This issue arises in the NVBULogDaemon component, where improper validation of user-supplied strings in JSON-RPC messages enables authenticated attackers to execute arbitrary code with SYSTEM privileges. Notably, the authentication requirement can be bypassed.
Quest has released a patch for this vulnerability in NetVault Backup version 14.0.2. Users should refer to the Quest NetVault 14.0.2 Installation Guide for instructions on applying the update.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 25, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.quest.com/technical-documents/netvault/14.0.2/release-notes#TOPIC-2338529 | [email protected] | Release Notes |
| https://www.zerodayinitiative.com/advisories/ZDI-26-376/ | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| quest netvault backup | < 14.0.2 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 26, 2026 | CVE Modified | CISA-ADP |
| Jun 26, 2026 | Initial Analysis | [email protected] |
| Jun 25, 2026 | CVE Modified | CISA-ADP |
| Jun 25, 2026 | New CVE Received | [email protected] |