Local file inclusion in FHEM 6.0 allows in fhem/FileLog_logWrapper file parameter can allow an attacker to include a file, which can lead to sensitive information disclosure.
https://github.com/EmreOvunc/FHEM-6.0-Local-File-Inclusion-LFI-Vulnerability
https://emreovunc.com/blog/en/FHEM-v6.0-LFI-Vulnerability-01.png