HIGH · 8.8

CVE-2026-9787

Quest NetVault Backup NVBULogDaemon Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Quest NetVa...

Vulnerability 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.

CVSS Score

8.8

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
QuestNetvault Backup< 14.0.2

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-9787?

CVE-2026-9787 is a vulnerability with a CVSS score of 8.8 (HIGH). Quest NetVault Backup NVBULogDaemon Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Quest NetVa...

How severe is CVE-2026-9787?

CVE-2026-9787 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-9787?

Check the references section above for vendor advisories and patch information. Affected products include: Quest Netvault Backup.