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CVE-2026-46394— HAX CMS Vulnerable to Command Injection using Git.php

Quick assessment

Affected
haxtheweb haxcms-php
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.

HAX是HAX The Web开源的一个HAX+CMS使用PHP后端管理的微型网站。 HAX 26.0.0之前版本存在操作系统命令注入漏洞，该漏洞源于Git.php库中构造shell命令字符串时未正确清理输入，可能导致攻击者通过proc_open执行任意OS命令，结合其他漏洞可导致完全远程代码执行和系统破解。

AI Predicted 9.8 Difficulty: Moderate EPSS 0.94% · P59

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
haxtheweb haxcms-php < 26.0.0 affected
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I. Basic Information for CVE-2026-46394

Vulnerability Information
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Vulnerability Title
HAX CMS Vulnerable to Command Injection using Git.php
Source: CVE Program / CVE List V5
Vulnerability Description
HAX CMS helps manage microsite universe with PHP or NodeJs backends. Prior to version 26.0.0, an OS command injection vulnerability exists in the Git.php library of the HAXcms PHP backend. The application constructs shell command strings using unsanitized input and executes them via proc_open(). An attacker who can control parameters passed into Git operations can execute arbitrary OS commands with the privileges of the web server. Out of 17 functions that invoke shell commands only 1 function (`commit()`) correctly uses `escapeshellarg()`. When combined with another vulnerability that allows configuration manipulation, this issue can lead to full remote code execution and complete system compromise. Version 26.0.0 patches the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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
HAX 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HAX是HAX The Web开源的一个HAX+CMS使用PHP后端管理的微型网站。 HAX 26.0.0之前版本存在操作系统命令注入漏洞，该漏洞源于Git.php库中构造shell命令字符串时未正确清理输入，可能导致攻击者通过proc_open执行任意OS命令，结合其他漏洞可导致完全远程代码执行和系统破解。
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
haxtheweb haxcms-php < 26.0.0 -

II. Public POCs for CVE-2026-46394

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III. Intelligence Information for CVE-2026-46394

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Vendor Advisories for CVE-2026-46394 (1)

Same Patch Batch · haxtheweb · 2026-06-05 · 16 CVEs total

CVE-2026-46392 8.7 HIGH HAX CMS PHP Has a Stored XSS via Case-Sensitivity Mismatch in HTML Upload Validation
CVE-2026-46493 7.5 HIGH haxtheweb/haxcms-php uses insecure method for generating salt
CVE-2026-46357 6.5 MEDIUM HAX CMS NodeJS application Vulnerable to Denial of Service using Malicious Import Request
CVE-2026-46397 6.5 MEDIUM haxcms-php Local File Inclusion via saveOutline API Location Parameter v2.0
CVE-2026-46396 HAX CMS has a stored XSS via <iframe> that allows access to sensitive client-side data and
CVE-2026-46401 HAX CMS PHP has Insufficient Session Expiration
CVE-2026-46390 HAX CMS has Unauthenticated Git Access via User-Controlled Key
CVE-2026-46496 HAX CMS: Stored XSS via '<video-player>' component allows arbitrary JavaScript execution a
CVE-2026-46398 HAX CMS Missing Secure Flag on Cookie
CVE-2026-46395 HAX CMS Vulnerable to Private Key Disclosure via Broken HMAC Implementation
CVE-2026-46511 HAXcms: Mass Token Exfiltration and Cross-Tenant Hijack
CVE-2026-46400 HAXCMS PHP has a File Upload Validation Bypass
CVE-2026-46391 HAX open-apis: Credential Theft via Server-Side Request Forgery (SSRF) in open-apis
CVE-2026-46393 HAXcms createSite SSRF Enables Arbitrary File Read
CVE-2026-46399 Authenticated Remote Code Execution via File Overwrite

IV. Related Vulnerabilities

Same product: haxcms-php
Same vendor: haxtheweb
Same weakness: CWE-78

V. Comments for CVE-2026-46394

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