CVE Catalog

CVE-2026-21575

HighCVSS 8.0
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.32%

25th percentile - higher than 25% of all known CVEs

Summary

RCE vulnerability in Sourcetree for Mac and Windows version 3.4.11. Requires authentication and user interaction. Attacker can execute arbitrary code with high impact on confidentiality, integrity, and availability.

Risk Assessment

Risk of developer workstation compromise through malicious code execution.

Recommendation

Upgrade Sourcetree to version 3.4.13 or later for both platforms.

Related vulnerabilities

Original NVD description (English source)

This High severity RCE (Remote Code Execution) vulnerability was introduced in version 3.4.11 of Sourcetree for Mac and Sourcetree for Windows. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 7.1, allows an 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 and Sourcetree for Windows customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: * Sourcetree for Mac and Sourcetree for Windows 3.4: Upgrade to a release greater than or equal to 3.4.13 See the release notes (https://www.sourcetreeapp.com/download-archives). You can download the latest version of Sourcetree for Mac and Sourcetree for Windows from the download center (https://www.sourcetreeapp.com/download-archives). This vulnerability was reported via our Bug Bounty program.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS