CVE-2026-21128: CWE-20: Improper Input Validation in Samsung Mobile Samsung Checkout
Description
CVE-2026-21128 is a medium severity vulnerability in Samsung Checkout prior to version 5.1.03.1. It involves improper input validation in the CreditCardRegisterActivity component, which allows local attackers to launch arbitrary activities with Samsung Checkout privileges.
CVSS v4.0
Score 5.1medium
Affected software
Samsung Mobile
Samsung Checkout
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-20 (Improper Input Validation), exists in the CreditCardRegisterActivity of Samsung Checkout versions before 5.1.03.1. It enables local attackers to exploit insufficient input validation to launch arbitrary activities within the context of Samsung Checkout, potentially escalating privileges locally.
Potential Impact
The vulnerability allows local attackers to execute arbitrary activities with the privileges of Samsung Checkout. This could lead to unauthorized actions within the application context, but does not indicate remote exploitation or privilege escalation beyond the local attacker scope.
Mitigation Recommendations
No official patch or remediation information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SamsungMobile
- Date Reserved
- 2025-12-11T01:33:35.833Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6acc6a3e2cdf04f656613731
Added to database: 10/12/2026, 05:03:58 UTC
Last enriched: 10/12/2026, 05:19:04 UTC
Last updated: 10/12/2026, 18:57:56 UTC
Views: 18
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