THREAT OPS › Threat News › ZDI-26-369: Quest NetVault Backup addclient3 Cross-Site Scripting Authentication Bypass Vulnerability
ZDI-26-369: Quest NetVault Backup addclient3 Cross-Site Scripting Authentication Bypass Vulnerability
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-2026-9780.
MITRE ATT&CK techniques
- Malicious FileT1204.002
Indicators of compromise
- CVE-2026-9780cve
Original source: http://www.zerodayinitiative.com/advisories/ZDI-26-369/