CVE-2026-9787CWE-78

Quest NetVault Backup NVBULogDaemon Command Injection Remote Code Execution Vulnerability

High · published June 24, 2026

CVSS v3.0
8.8
EPSS
5%
Percentile
92.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
8.8 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.05490 · 92.8th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-06-24T23:15Z
EPSS history
Timeline
  • 24 JUN 23:15Z
    Quest NetVault Backup NVBULogDaemon Command Injection Remote Code Execution Vulnerability
    cvelistv5