How severe is CVE-2026-9785?

CVE-2026-9785 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-9785 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-9785?

CVE-2026-9785 affects Quest Netvault Backup. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-9785?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-9785 have an EU (EUVD) identifier?

Yes. CVE-2026-9785 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39146.

When was CVE-2026-9785 published?

CVE-2026-9785 was published on 2026-06-25 and last updated on 2026-06-26.

CVE-2026-9785

CVE-2026-9785 is a high-severity vulnerability in Quest Netvault Backup with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-39146
Weakness: CWE-89
Affected product: Quest Netvault Backup
Published: 2026-06-25
Last modified: 2026-06-26

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.

Frequently asked questions

What is CVE-2026-9785?: 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.
How severe is CVE-2026-9785?: CVE-2026-9785 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-9785 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-9785?: CVE-2026-9785 affects Quest Netvault Backup. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-9785?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-9785 have an EU (EUVD) identifier?: Yes. CVE-2026-9785 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39146.
When was CVE-2026-9785 published?: CVE-2026-9785 was published on 2026-06-25 and last updated on 2026-06-26.

References

Affected products (1)

cpe:2.3:a:quest:netvault_backup:*:*:*:*:*:*:*:*

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