CVE-2026-46399CWE-15CWE-73CWE-78

Authenticated Remote Code Execution via File Overwrite

Critical · published June 5, 2026

CVSS v4.0
9.4
EPSS
0%
Percentile
41.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
9.4 · CRITICAL
Vector
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
EPSS
0.00492 · 41.3th percentile
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')
Published
2026-06-05T18:13Z
EPSS history
Timeline
  • 05 JUN 18:13Z
    Authenticated Remote Code Execution via File Overwrite
    cvelistv5