CVE-2026-21575CWE-94code-injection

CVE-2026-21575

High · published July 21, 2026

CVSS v3.1
8.0
EPSS
1%
Percentile
47.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.0 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00589 · 47.4th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-07-21T22:16Z
Affected products (2)
ProductVersionsFixed in
atlassian/sourcetree≥ 3.4.11, < 3.4.133.4.13
atlassian/sourcetree≥ 3.4.11, < 3.4.133.4.13
References (2)
https://confluence.atlassian.com/pages/viewpage.action?pageId=1821999345 · [email protected]https://jira.atlassian.com/browse/SRCTREE-8275 · [email protected]
EPSS history
Timeline
  • 21 JUL 17:00Z
    This High severity RCE (Remote Code Execution) vulnerability was introduced in version 3.4.11 of Sourcetree for Mac and Sourcetree for Windows
    cvelistv5