There was an argument injection vulnerability in Atlassian Sourcetree for macOS from version 1.2 before version 3.1.1 via filenames in Mercurial repositories. A remote 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.
- http://packetstormsecurity.com/files/152173/Sourcetree-Git-Arbitrary-Code-Execution-URL-Handling.html
No PoCs found on GitHub currently.