This Medium severity ACE (Arbitrary Code Execution) vulnerability was introduced in version 4.2.8 of Sourcetree for Mac. This ACE (Arbitrary Code Execution) vulnerability, with a CVSS Score of 5.9, allows a locally authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires user interaction. Atlassian recommends that Sourcetree for Mac users upgrade to the latest version. If you are unable to do so, upgrade your instance to one of the specified supported fixed versions. See the release notes https://www.sourcetreeapp.com/download-archives . You can download the latest version of Sourcetree for Mac from the download center https://www.sourcetreeapp.com/download-archives . This vulnerability was found through the Atlassian Bug Bounty Program by Karol Mazurek (AFINE).
Conclusion & alert: CVE-2025-22165 is rated Low Risk (29.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-20 | 0.02% | 0.05% | +0.03% |
| 2 | 2025-07-25 | — | 0.02% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.9 | 4.0 | MEDIUM |
|
— | — | [email protected] |
| 7.3 | 3.1 | HIGH |
|
1.3 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| atlassian | sourcetree | >= 4.2.8, <= 4.2.12 | cpe:2.3:a:atlassian:sourcetree:*:*:*:*:*:macos:*:* |
| URL | Tags |
|---|---|
| https://jira.atlassian.com/browse/SRCTREE-8217 | Issue Tracking Vendor Advisory |