HAX CMS Vulnerable to Command Injection using Git.php
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- Present
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA haxcms-php (haxtheweb) Fixed in 26.0.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-46394
More haxtheweb vulnerabilities
- TI-2026-34109 HAX CMS Vulnerable to Private Key Disclosure via Broken HMAC Implementation CVSS 4.0CRITICAL 9.3
- TI-2026-34105 HAX open-apis: Credential Theft via Server-Side Request Forgery (SSRF) in open-apis CVSS 4.0HIGH 8.7
- TI-2026-27339 HAX CMS's public /server-status endpoint exposes authentication tokens, user activity, and client IP addresses CVSS 4.0HIGH 8.7
- TI-2026-34113 Authenticated Remote Code Execution via File Overwrite CVSS 4.0CRITICAL 9.4
- TI-2025-23152 HAX CMS PHP allows Insecure File Upload to Lead to Remote Code Execution CVSS 3.1CRITICAL 10.0
- TI-2026-34194 HAX CMS: Stored XSS via '<video-player>' component allows arbitrary JavaScript execution and token theft CVSS 4.0CRITICAL 9.3
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences