CVE-2026-21129None▾ SunlitImproper 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.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.