CVE-2026-21129
Received Received - Intake

Improper Input Validation in Samsung Checkout

Publication date: 2026-10-12

Last updated on: 2026-10-12

Assigner: Samsung Mobile

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

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Meta Information

Published
2026-10-12
Last Modified
2026-10-12
Generated
2026-10-12
AI Q&A
2026-10-12
EPSS Evaluated
N/A
NVD
CVE-2026-21129
EUVD
EUVD-2026-97193

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
samsung checkout 5.1.03.1

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is an improper input validation flaw in Samsung Checkout's GuestCreditCardRegisterActivity component. It allows local attackers to exploit insufficient input checks to launch an arbitrary activity with elevated Samsung Checkout privileges.

Impact Analysis

An attacker could exploit this to perform unauthorized actions within Samsung Checkout, potentially accessing sensitive payment data or performing transactions without proper authorization.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or financial data, violating GDPR's data protection principles and HIPAA's security requirements for protected health information.

Mitigation Strategies

Update Samsung Checkout to version 5.1.03.1 or later to address the improper input validation issue.

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