CVE-2026-18265

OSNEXUS QuantaStor Missing Authentication Remote Code Execution Vulnerability

State
Published
Severity
9.8 Critical
Published
Aug 20, 2026
Updated
Aug 26, 2026
Reserved
Jul 29, 2026

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Description

OSNEXUS QuantaStor Missing Authentication Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of OSNEXUS QuantaStor. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the configuration of Kapacitor. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-30036.

Scores

CVSSScoreVectorSource
3.09.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hzdi

Weaknesses

  • CWE-306 Missing Authentication for Critical Function

Affected Products

ProductVersions
QuantaStorOSNEXUS
  • 6.7.3.010+9c965a6414Affected

References

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