Use of potentially dangerous function issue exists in Chatwork Desktop Application (Windows) versions prior to 2.9.2. If a user clicks a specially crafted link in the application, an arbitrary file may be downloaded from an external website and executed. As a result, arbitrary code may be executed on the device that runs Chatwork Desktop Application (Windows).

Code injection vulnerability exists in Chatwork Desktop Application (Mac) 2.6.43 and earlier. If this vulnerability is exploited, a non-administrative user of the Mac where the product is installed may store and obtain audio and image data from the product without the user's consent.

Untrusted search path vulnerability in installer of ChatWork Desktop App for Windows 2.3.0 and earlier allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.