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CVE-2026-42454— Termix: OS Command Injection in Docker Container Management Endpoints

Quick assessment

Affected
Termix-SSH Termix
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.

Termix是Karmaa个人开发者的一个服务器管理平台。 Termix 2.1.0之前版本存在操作系统命令注入漏洞，该漏洞源于Docker容器管理端点未对containerId参数进行清理或验证，可能导致经过身份验证的攻击者注入任意OS命令并实现远程代码执行。

CVSS 9.9 · Critical EPSS 0.85% · P57

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Termix-SSH Termix < 2.1.0 affected
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I. Basic Information for CVE-2026-42454

Vulnerability Information
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Vulnerability Title
Termix: OS Command Injection in Docker Container Management Endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. Prior to version 2.1.0, all Docker container management endpoints in Termix interpolate the containerId URL path parameter and WebSocket message field directly into shell commands executed via ssh2.Client.exec() on remote managed servers without any sanitization or validation. An authenticated attacker can inject arbitrary OS commands by crafting a malicious container ID, achieving Remote Code Execution on any managed server. This issue has been patched in version 2.1.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Termix 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Termix是Karmaa个人开发者的一个服务器管理平台。 Termix 2.1.0之前版本存在操作系统命令注入漏洞，该漏洞源于Docker容器管理端点未对containerId参数进行清理或验证，可能导致经过身份验证的攻击者注入任意OS命令并实现远程代码执行。
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
Termix-SSH Termix < 2.1.0 -

II. Public POCs for CVE-2026-42454

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III. Intelligence Information for CVE-2026-42454

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Vendor Advisories for CVE-2026-42454 (1)

Vendor Pages for CVE-2026-42454 (1)

Same Patch Batch · Termix-SSH · 2026-05-08 · 3 CVEs total

CVE-2026-42452 8.1 HIGH Termix: Pending-TOTP temporary token can regenerate backup codes and neutralize TOTP
CVE-2026-42453 Termix: Command injection in extractArchive/compressFiles via double-quote escaping bypass

IV. Related Vulnerabilities

Same product: Termix
Same vendor: Termix-SSH
Same weakness: CWE-78

V. Comments for CVE-2026-42454

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