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.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Atlassian Sourcetree for Mac affected
Version Status Constraints
All versions from 3.4.11 to 3.4.12 inclusive affected —
All versions from 3.4.13 unaffected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Atlassian Subscribe
Sourcetree Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://confluence.atlassian.com/pages/viewpage.action?pageId=1821999345 cve-icon
https://jira.atlassian.com/browse/SRCTREE-8275 cve-icon
History

Tue, 21 Jul 2026 17:45:00 +0000

Type Values Removed Values Added
Description 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.
First Time appeared Atlassian
Atlassian sourcetree
CPEs cpe:2.3:a:atlassian:sourcetree:*:*:*:*:*:macos:*:*
cpe:2.3:a:atlassian:sourcetree:3.4.13:*:*:*:*:macos:*:*
Vendors & Products Atlassian
Atlassian sourcetree
References
Metrics cvssV3_0

{'score': 7.1, 'vector': 'CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: atlassian

Published:

Updated: 2026-07-21T17:00:00.501Z

Reserved: 2026-01-01T00:00:40.720Z

Link: CVE-2026-21575

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.