---
id: CVE-2026-21131
title: >-
  Incorrect default permission in Samsung Flow prior to version 4.9.22.4 allows
  local attackers to launch an arbitrary activity with Samsung Flow privileges
  on the connected device.
summary: >-
  Incorrect default permission in Samsung Flow prior to version 4.9.22.4 allows
  local attackers to launch an arbitrary activity with Samsung Flow privileges
  on the connected device.
severity: low
cvss: 2.1
cvssVector: 'CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'
cwe:
  - CWE-276
vendor: Samsung Mobile
product: Samsung Flow
affected:
  - samsung_flow (all versions)
published: '2026-10-12'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T17:17:22.407'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-21131'
references:
  - url: 'https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=10'
    label: mobile.security@samsung.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-15T16:40:23.446628Z'
cvssSource: cna
epss: 0.00105
epssPercentile: 0.01056
ingestedAt: '2026-10-12T14:50:34.087Z'
---

## Overview

Incorrect default permission in Samsung Flow prior to version 4.9.22.4 allows local attackers to launch an arbitrary activity with Samsung Flow privileges on the connected device.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.