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 存在缺失身份验证的远程代码执行漏洞。此漏洞允许远程攻击者在受影响的 OSNEXUS QuantaStor 安装中执行任意代码。利用此漏洞无需进行身份验证。 该特定缺陷存在于 Kapacitor 的配置中。问题是由于在允许访问相关功能之前缺乏身份验证机制。攻击者可以利用此漏洞，以 root 用户的上下文执行代码。此为 ZDI-CAN-30036。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| OSNEXUS | QuantaStor | 6.7.3.010+9c965a6414 |
affected |
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-18265
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
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
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| OSNEXUS | QuantaStor | 6.7.3.010+9c965a6414 | - |
|
II. Public POCs for CVE-2026-18265
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-18265
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-18265 (1)
-
🔗 ZDI-26-480 - TrendAI™ Zero Day Initiative™ (ZDI) x_research-advisory
IV. Related Vulnerabilities
Same product: QuantaStor
-
CVE-2026-10880
Unauthenticated SQL Injection in Osnexus Quantastor -
CVE-2021-4406
Authenticated Remote COmmand Execution as root in OSNEXUS Qu -
CVE-2021-42081
Authenticated Remote Command Execution vulnerability in OSNE -
CVE-2021-42083
Authenticated Stored XSS in OSNEXUS QuantaStor 6.0.0.335 -
CVE-2021-42082
Local Privilege Escalation to root in OSNEXUS QuantaStor bef
Same vendor: OSNEXUS
-
CVE-2026-10880
Unauthenticated SQL Injection in Osnexus Quantastor -
CVE-2021-4406
Authenticated Remote COmmand Execution as root in OSNEXUS Qu -
CVE-2021-42081
Authenticated Remote Command Execution vulnerability in OSNE -
CVE-2021-42083
Authenticated Stored XSS in OSNEXUS QuantaStor 6.0.0.335 -
CVE-2021-42082
Local Privilege Escalation to root in OSNEXUS QuantaStor bef
Same weakness: CWE-306
-
CVE-2026-78369
Missing Authentication Allows Unauthorized Creation of Crypt -
CVE-2026-6017
Missing Authentication for Critical Function in KAON PG5298 -
CVE-2026-78306
DJI Drone Bluetooth Interface Unauthenticated DUML Command E -
CVE-2026-78255
DJI Drone HTTP Media Server Allows Unauthenticated Access to -
CVE-2026-19853
CyberTutor｜NewSiteServer (NSS) - Missing Authentication
V. Comments for CVE-2026-18265
No comments yet