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THREAT OPSThreat News › ZDI-26-377: Quest NetVault Backup viewclient Cross-Site Scripting Authentication Bypass Vulnerability

ZDI-26-377: Quest NetVault Backup viewclient Cross-Site Scripting Authentication Bypass Vulnerability

lowzdi_publishedPublished 2026-06-24

This vulnerability allows remote attackers to bypass authentication on affected installations of Quest NetVault Backup. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2026-7569.

MITRE ATT&CK techniques

Indicators of compromise

Original source: http://www.zerodayinitiative.com/advisories/ZDI-26-377/