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CVE-2026-46399— Authenticated Remote Code Execution via File Overwrite

AI Predicted 8.1 Difficulty: Easy EPSS 0.29% · P22

Affected Version Matrix 2

VendorProductVersion RangeStatus
haxthewebhaxcms-nodejs< 26.0.0affected
haxthewebhaxcms-php< 26.0.0affected
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I. Basic Information for CVE-2026-46399

Vulnerability Information
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Vulnerability Title
Authenticated Remote Code Execution via File Overwrite
Source: CVE Program / CVE List V5
Vulnerability Description
HAX CMS helps manage microsite universe with PHP or NodeJs backends. The PHP version of HAX CMS prior to version 26.0.0 has an authenticated file overwrite vulnerability. An attacker can exploit this vulnerability to configure malicious Git filter commands and achieve code execution on the HAX CMS server. Version 26.0.0 patches the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
系统设置或配置在外部可控制
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，该漏洞源于存在经过身份验证的文件覆盖漏洞，可能导致攻击者配置恶意Git过滤器命令并在HAX CMS服务器上实现代码执行。
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

VendorProductAffected VersionsCPESubscribe
haxthewebhaxcms-nodejs < 26.0.0 -
haxthewebhaxcms-php < 26.0.0 -

II. Public POCs for CVE-2026-46399

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III. Intelligence Information for CVE-2026-46399

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Vendor Advisories for CVE-2026-46399 (1)

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

CVE-2026-463928.7 HIGHHAX CMS PHP Has a Stored XSS via Case-Sensitivity Mismatch in HTML Upload Validation
CVE-2026-464937.5 HIGHhaxtheweb/haxcms-php uses insecure method for generating salt
CVE-2026-463576.5 MEDIUMHAX CMS NodeJS application Vulnerable to Denial of Service using Malicious Import Request
CVE-2026-463976.5 MEDIUMhaxcms-php Local File Inclusion via saveOutline API Location Parameter v2.0
CVE-2026-46396HAX CMS has a stored XSS via <iframe> that allows access to sensitive client-side data and
CVE-2026-46401HAX CMS PHP has Insufficient Session Expiration
CVE-2026-46390HAX CMS has Unauthenticated Git Access via User-Controlled Key
CVE-2026-46394HAX CMS Vulnerable to Command Injection using Git.php
CVE-2026-46496HAX CMS: Stored XSS via '<video-player>' component allows arbitrary JavaScript execution a
CVE-2026-46398HAX CMS Missing Secure Flag on Cookie
CVE-2026-46395HAX CMS Vulnerable to Private Key Disclosure via Broken HMAC Implementation
CVE-2026-46511HAXcms: Mass Token Exfiltration and Cross-Tenant Hijack
CVE-2026-46400HAXCMS PHP has a File Upload Validation Bypass
CVE-2026-46391HAX open-apis: Credential Theft via Server-Side Request Forgery (SSRF) in open-apis
CVE-2026-46393HAXcms createSite SSRF Enables Arbitrary File Read

IV. Related Vulnerabilities

Same product: haxcms-nodejs
Same vendor: haxtheweb
Same weakness: CWE-15

V. Comments for CVE-2026-46399

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