Dashboard / CVE-2026-21575

CVE-2026-21575

HIGH
MEDIUM Priority: 0.05 BB Relevance: 56/100
Published: 2026-07-21 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: Required
S: Unchanged
C: High
I: High
A: High

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.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
atlassian sourcetree 3.4.11 – 3.4.13
atlassian sourcetree 3.4.11 – 3.4.13

References & Advisories (2)

Bug Bounty Relevance

56 / 100
✓ Network accessible
✓ Low complexity

CVSS Score

8.0 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.59%
Raw Score 0.005890
Percentile 48.1%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00589
2026-10-28
0.00589

Intelligence Sources

nvd ref →

External Links