PT-2026-52149 · Quest · Netvault Backup

Published 2026-06-24 · Updated 2026-06-25 · CVE-2026-9784

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 flaw in the processing of NVBULibraryPort JSON-RPC messages allows remote attackers to execute arbitrary code in the context of NETWORK SERVICE. The issue stems from improper validation of a user-supplied string used to construct SQL queries, leading to SQL injection. 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.

SQL injection

Weakness Enumeration

CWE-89

Related Identifiers

CVE-2026-9784

ZDI-26-373

Affected Products

Netvault Backup

References · 3

• https://zerodayinitiative.com/advisories/ZDI-26-373 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-9784 · Security Note
• https://support.quest.com/technical-documents/netvault/14.0.2/release-notes#TOPIC-2338529 · Vendor Advisory