SB2026100633 - Incorrect default permissions in Samsung Flow
Published: October 6, 2026
Security Bulletin ID
SB2026100633
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Incorrect default permissions (CVE-ID: CVE-2026-21131)
CWE-ID: CWE-276 - Incorrect Default Permissions
CVSSv4: 8.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local attacker to compromise the target system.
The vulnerability exists due to incorrect default permissions. A local attacker can launch an arbitrary activity with Samsung Flow privileges on the connected device.
Remediation
Install update from vendor's website.