---
id: CVE-2026-21103
title: >-
  Path traversal in GalaxyDiagnostics prior to SMR Sep-2026 Release 1 allows
  physical attackers to access files with system privilege.
summary: >-
  Path traversal in GalaxyDiagnostics prior to SMR Sep-2026 Release 1 allows
  physical attackers to access files with system privilege.
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-35
vendor: samsung
product: android
affected:
  - android = 14.0
  - android = 15.0
  - android = 16.0
  - android = 17.0
published: '2026-09-09'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T20:40:19.897'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-21103'
references:
  - url: 'https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09'
    label: mobile.security@samsung.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-10T14:51:20.882882Z'
scores:
  nvd: 6.1
  cna: 6.8
epss: 0.00177
epssPercentile: 0.06548
ingestedAt: '2026-09-09T05:00:01.752Z'
---

## Overview

Path traversal in GalaxyDiagnostics prior to SMR Sep-2026 Release 1 allows physical attackers to access files with system privilege.

## Affected

- `android = 14.0`
- `android = 15.0`
- `android = 16.0`
- `android = 17.0`

## Remediation

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