VulnerabilityAnalyzed

CVE-2026-9785

Quest NetVault Backup NVBULibrarySlot SQL Injection Remote Code Execution Vulnerability.

HIGH 8.8EPSS 0.95%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Quest NetVault Backup NVBULibrarySlot SQL 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 NVBULibrarySlot JSON-RPC messages. The issue results from the lack of proper validation of a user-supplied string before using it to construct SQL queries. An attacker can leverage this vulnerability to execute code in the context of NETWORK SERVICE. Was ZDI-CAN-27630.

CVSS 3.0: 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.95% probability · 59th percentile
CISA KEV: Not listed
Weakness: CWE-89
Affected: quest/netvault backup
Source: zdi-disclosures@trendmicro.com

References

https://support.quest.com/technical-documents/netvault/14.0.2/release-notes#TOPIC-2338529Release Notes
https://www.zerodayinitiative.com/advisories/ZDI-26-374/Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.