CVE-2026-9787
Quest NetVault Backup NVBULogDaemon Command Injection Remote Code Execution Vulnerability
- State
- Published
- Severity
- 8.8 High
- Published
- Jun 24, 2026
- Updated
- Jun 26, 2026
- Reserved
- May 27, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | zdi |
Weaknesses
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Affected Products
| Product | Versions |
|---|---|
NetVault BackupQuest |
|
References
- ZDI-26-376
- vendor-provided URLvendor-advisory
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