SB2026072225 - Improper access control in Sourcetree
Published: July 22, 2026
Security Bulletin ID
SB2026072225
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: CVE-2026-21575)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to improper access control in Sourcetree for Windows when handling crafted content. A remote attacker can trick the victim into processing crafted content to execute arbitrary code.
User interaction is required for exploitation.
Remediation
Install update from vendor's website.