CVE-2018-13396
There was an argument injection vulnerability in Sourcetree for macOS from version 1.0b2 before version 3.0.0 via Git subrepositories in Mercurial repositories. An attacker with permission to commit to a Mercurial repository linked in Sourcetree for macOS is able to exploit this issue to gain code execution on the system.
Source: CVE-2018-13396