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TI-2026-34113 Aliases CVE-2026-46399

Authenticated Remote Code Execution via File Overwrite

Priority HIGH 76CWE-15Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
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. 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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00291 21st percentileScored 2026-11-07
Fix Fixed haxcms-nodejs (haxtheweb): 26.0.0haxcms-php (haxtheweb): 26.0.0

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

VendorProductAffected versionsFixed inStatusSource
haxthewebhaxcms-nodejsbefore 26.0.026.0.0Patch availableCNA
haxthewebhaxcms-phpbefore 26.0.026.0.0Patch availableCNA
  • haxcms-nodejs Vendorhaxtheweb Affected before 26.0.0 Fixed in 26.0.0 Patch available CNA
  • haxcms-php Vendorhaxtheweb Affected before 26.0.0 Fixed in 26.0.0 Patch available CNA

Remediation

  • Fix · CNA haxcms-nodejs (haxtheweb) Fixed in 26.0.0
  • Fix · CNA haxcms-php (haxtheweb) Fixed in 26.0.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-46399

References

Other 1

  • 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-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
  • TI-2026-34110 HAX CMS has a stored XSS via <iframe> that allows access to sensitive client-side data and account takeover CVSS 4.0CRITICAL 9.3
See all 32 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences