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CVE-2026-18265— OSNEXUS QuantaStor Missing Authentication Remote Code Execution Vulnerability

Quick assessment

Affected
OSNEXUS QuantaStor
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OSNEXUS quantastor是美国OSNEXUS公司的一款网络存储管理软件。 OSNEXUS quantastor 6.7.3.010+9c965a6414版本存在授权问题漏洞，该漏洞源于Kapacitor配置在允许访问功能前缺少身份验证，可能导致远程攻击者以root权限执行任意代码。

AI Predicted 9.8 Difficulty: Easy EPSS 0.69% · P52

Affected Version Matrix 1

VendorProduct Version RangeStatus
OSNEXUS QuantaStor 6.7.3.010+9c965a6414 affected
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I. Basic Information for CVE-2026-18265

Vulnerability Information
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Vulnerability Title
OSNEXUS QuantaStor Missing Authentication Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
OSNEXUS quantastor 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OSNEXUS quantastor是美国OSNEXUS公司的一款网络存储管理软件。 OSNEXUS quantastor 6.7.3.010+9c965a6414版本存在授权问题漏洞，该漏洞源于Kapacitor配置在允许访问功能前缺少身份验证，可能导致远程攻击者以root权限执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OSNEXUS QuantaStor 6.7.3.010+9c965a6414 -

II. Public POCs for CVE-2026-18265

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III. Intelligence Information for CVE-2026-18265

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Vendor Advisories for CVE-2026-18265 (1)

IV. Related Vulnerabilities

Same product: QuantaStor
Same vendor: OSNEXUS
Same weakness: CWE-306

V. Comments for CVE-2026-18265

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