There was an argument injection vulnerability in Sourcetree for macOS via filenames 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.

Affected versions:

• Versions of Sourcetree for macOS from 1.0b2 before 2.7.6 are affected by this vulnerability.

Fix:

• Upgrade Sourcetree for macOS to version 2.7.6 or higher from https://www.sourcetreeapp.com/ .

For additional details, see the full advisory.