ZDI-26-888: Quest NetVault Backup StnzCreateKey Numeric Truncation Error Denial-of-Service Vulnerability
Source Zero Day Initiative
Not known to be exploited.
Data as of 6 Nov 2026, 22:41 UTC
Rated High by Zero Day Initiative · CVSS not yet scored by NVD
Exploitation evidence
Disclosed: evidence found.
Public on cve.org; its publication date is not in this record
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.
What to do
AI-suggested
Until a fix is available, monitor official Quest communications for updates and consider limiting network exposure of the affected service.
Description
A numeric truncation error vulnerability in Quest NetVault Backup allows remote attackers to cause a denial-of-service (DoS) condition without authentication. The vulnerability is identified as CVE-2026-13269 and has a high severity rating of 7.5 by the Zero Day Initiative.