CVE-2026-46399— Authenticated Remote Code Execution via File Overwrite
Quick assessment
Affected
haxtheweb haxcms-nodejs
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。
Possible ATT&CK Techniques 3 AI
T1195 · Supply Chain Compromise T1059 · Command and Scripting Interpreter T1546 · Event Triggered ExecutionAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| haxtheweb | haxcms-nodejs | < 26.0.0 |
affected |
| haxtheweb | haxcms-php | < 26.0.0 |
affected |
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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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| haxtheweb | haxcms-nodejs | < 26.0.0 | - |
|
| haxtheweb | haxcms-php | < 26.0.0 | - |
|
II. Public POCs for CVE-2026-46399
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-46399 (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-2026-46394 | HAX CMS Vulnerable to Command Injection using Git.php | |
| 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 |
IV. Related Vulnerabilities
Same product: haxcms-nodejs
-
CVE-2026-46357
HAX CMS NodeJS application Vulnerable to Denial of Service u -
CVE-2026-46496
HAX CMS: Stored XSS via '<video-player>' component allows ar -
CVE-2026-46396
HAX CMS has a stored XSS via <iframe> that allows access to -
CVE-2026-46511
HAXcms: Mass Token Exfiltration and Cross-Tenant Hijack -
CVE-2026-46395
HAX CMS Vulnerable to Private Key Disclosure via Broken HMAC
Same vendor: haxtheweb
-
CVE-2026-46357
HAX CMS NodeJS application Vulnerable to Denial of Service u -
CVE-2026-46493
haxtheweb/haxcms-php uses insecure method for generating sal -
CVE-2026-46401
HAX CMS PHP has Insufficient Session Expiration -
CVE-2026-46400
HAXCMS PHP has a File Upload Validation Bypass -
CVE-2026-46398
HAX CMS Missing Secure Flag on Cookie
Same weakness: CWE-15
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V. Comments for CVE-2026-46399
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