CVE-2026-46399

Authenticated Remote Code Execution via File Overwrite

State: Published
Severity: 9.4 Critical
Published: Jun 5, 2026
Updated: Jun 8, 2026
Reserved: May 13, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	9.4 Critical	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	GitHub_M

Weaknesses

CWE-15 External Control of System or Configuration Setting
CWE-73 External Control of File Name or Path
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

Product	Versions
haxcms-nodejshaxtheweb	< 26.0.0Affected
haxcms-phphaxtheweb	< 26.0.0Affected

References

https://github.com/haxtheweb/issues/security/advisories/GHSA-q759-vxg8-vq5j

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