Zentao v18.0 to v18.10 was discovered to contain a remote code execution (RCE) vulnerability via the checkConnection method of /app/zentao/module/repo/model.php.
An arbitrary file upload vulnerability in /upgrade/control.php of ZenTao Community Edition v18.10, ZenTao Biz v8.10, and ZenTao Max v4.10 allows attackers to execute arbitrary code via uploading a crafted .txt file.