CVE-2026-18265 PUBLISHED

OSNEXUS QuantaStor Missing Authentication Remote Code Execution Vulnerability

Assigner: zdi
Reserved: 29.07.2026 Published: 20.08.2026 Updated: 20.08.2026

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.

Metrics

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Product Status

Vendor OSNEXUS
Product QuantaStor
Versions Default: unknown
  • Version 6.7.3.010+9c965a6414 is affected

References

Problem Types

  • CWE-306: Missing Authentication for Critical Function CWE