ZDI-26-376: Quest NetVault Backup NVBULogDaemon Command Injection Remote Code Execution Vulnerability

Published Jun 24, 2026
·
Updated

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 ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2026-9787.

Affected Software

1 affected component
Quest Software NetVault Backup

Event History

Jun 24, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Advisory Published
via ZDI·11:45 PM
Data Sourced
via ZDI·11:45 PM
Affected Software

Frequently Asked Questions

1

What is the severity of ZDI-26-376?

The severity of ZDI-26-376 is rated 8.8 on the CVSS scale, indicating a high risk for exploitation.

2

How do I fix ZDI-26-376?

To fix ZDI-26-376, ensure you update to the latest patched version of Quest NetVault Backup as provided by the vendor.

3

What type of vulnerability is ZDI-26-376?

ZDI-26-376 is a command injection vulnerability that allows remote code execution.

4

Is authentication required to exploit ZDI-26-376?

Yes, authentication is required to exploit ZDI-26-376, but it can be bypassed under certain conditions.

5

What can attackers do with ZDI-26-376?

Attackers can execute arbitrary code on affected installations of Quest NetVault Backup through this vulnerability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203