PT-2026-52152 · Quest · Netvault Backup

Published 2026-06-24 · Updated 2026-06-25 · CVE-2026-9787

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Quest NetVault Backup (affected versions not specified)

Description A command injection flaw exists in the processing of NVBULogDaemon JSON-RPC messages. The issue occurs because a user-supplied string is not properly validated before being used in a system call, allowing remote attackers to execute arbitrary code in the context of SYSTEM. Although authentication is typically required, the authentication mechanism can be bypassed.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2026-9787

ZDI-26-376

Affected Products

Netvault Backup

References · 3

• https://zerodayinitiative.com/advisories/ZDI-26-376 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-9787 · Security Note
• https://support.quest.com/technical-documents/netvault/14.0.2/release-notes#TOPIC-2338529 · Vendor Advisory