A vulnerability marked as problematic has been reported in LabRedesCefetRJ WeGIA up to 3.6.x . This issue affects some unknown processing of the file atendido/familiar_docfamiliar.php . Performing a manipulation results in information disclosure. This vulnerability is identified as CVE-2026-42871 . The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.