Cross-Site Scripting Vulnerability in Quest NetVault Backup
CVE-2026-7569

8.8HIGH

Key Information:

Vendor

Quest

Status
Netvault Backup
Vendor
CVE Published:
24 June 2026

What is CVE-2026-7569?

The vulnerability affects the viewclient webpage of Quest NetVault Backup, allowing attackers to bypass authentication through the injection of arbitrary scripts. Exploiting this flaw requires user interaction, such as visiting a malicious page or opening a rogue file, leading to potential unauthorized access and execution of arbitrary code in the SYSTEM context. This vulnerability can be combined with other exploits to escalate the attack's effectiveness. For more details, you can refer to ZDI advisory ZDI-26-377 and the vendor's technical documents.

Affected Version(s)

NetVault Backup 14.0.1.7

References

https://www.zerodayinitiative.com/advisories/ZDI-26-377/
x_research-advisory
https://support.quest.com/technical-documents/netvault/14...
vendor-advisory

CVSS V3.0

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.