PT-2026-65933 · Osnexus · Quantastor

CVE-2026-18265

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Published

2026-07-29

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Updated

2026-08-20

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions OSNEXUS QuantaStor (affected versions not specified)
Description Remote attackers can execute arbitrary code on affected installations without authentication. The flaw is located in the configuration of Kapacitor, where a lack of authentication allows access to functionality that can be leveraged to execute code in the context of root.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Missing Authentication

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Weakness Enumeration

Related Identifiers

CVE-2026-18265
ZDI-26-480

Affected Products

Quantastor