---
id: CVE-2026-21130
title: >-
  Improper input validation in CreditCardRetrieveActivity of Samsung Checkout
  prior to version 5.1.03.1 allows local attackers to launch an arbitrary
  activity with Samsung Checkout privileges.
summary: >-
  Improper input validation in CreditCardRetrieveActivity of Samsung Checkout
  prior to version 5.1.03.1 allows local attackers to launch an arbitrary
  activity with Samsung Checkout privileges.
severity: medium
cvss: 5.1
cvssVector: 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'
cwe:
  - CWE-20
vendor: Samsung Mobile
product: Samsung Checkout
affected:
  - samsung_checkout (all versions)
published: '2026-10-12'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T17:17:22.270'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-21130'
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: '2026-10-15T16:40:46.222615Z'
cvssSource: cna
epss: 0.00111
epssPercentile: 0.01299
ingestedAt: '2026-10-12T14:50:34.087Z'
---

## Overview

Improper input validation in CreditCardRetrieveActivity of Samsung Checkout prior to version 5.1.03.1 allows local attackers to launch an arbitrary activity with Samsung Checkout privileges.

## Remediation

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