CVE-2026-34036: Dolibarr Core Discloses Sensitive Data via Authenticated Local File Inclusion in selectobject.php

A Local File Inclusion (LFI) vulnerability has been discovered in the core AJAX endpoint /core/ajax/selectobject.php. By manipulating the objectdesc parameter and exploiting a fail-open logic flaw in the core access control function restrictedArea(), an authenticated user with no specific privileges can read the contents of arbitrary non-PHP files on the server (such as .env, .htaccess, configuration backups, or logs…).