CVE-2026-21129
Medium
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.
SeverityMedium
CVSS5.1
Exploit probability—
ProductSamsung Checkout
PublishedOct 12, 2026
First seenOct 12, 2026
Weakness typeCWE-20Improper input validation
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Samsung Mobile Samsung Checkout | No range specified | — |
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