CVE-2026-21128

Local Input Validation Flaw in Samsung Checkout Allows Arbitrary Activity Launch

Published Oct 12, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Description
Improper input validation in CreditCardRegisterActivity of Samsung Checkout prior to version 5.1.03.1 allows local attackers to launch arbitrary activity with Samsung Checkout privileges.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Samsung Mobile
Samsung Mobile samsung Checkout
Vendors & Products Samsung Mobile
Samsung Mobile samsung Checkout
Type Values Removed Values Added
Title Local Input Validation Flaw in Samsung Checkout Allows Arbitrary Activity Launch
Weaknesses CWE-20
Type Values Removed Values Added
Description Improper input validation in CreditCardRegisterActivity of Samsung Checkout prior to version 5.1.03.1 allows local attackers to launch arbitrary activity with Samsung Checkout privileges.
References
Metrics cvssV4_0

{'score': 5.1, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
SamsungMobile
Published
Updated
Oct 15, 2026, 4:39 PM
Reserved
Dec 11, 2025, 1:33 AM
Status
Awaiting Analysis
Published
Oct 12, 2026, 5:17 AM
Modified
Oct 15, 2026, 5:17 PM