CVE-2026-21129 | Samsung Checkout 5.0.53.1/5.0.55.3 GuestCreditCardRegisterActivity input validation

October 12, 2026 Yanac

A vulnerability, which was classified as problematic, was found in Samsung Checkout 5.0.53.1/5.0.55.3. This impacts an unknown function of the component GuestCreditCardRegisterActivity. Such manipulation leads to improper input validation.

This vulnerability is referenced as CVE-2026-21129. The attack can only be performed from a local environment. No exploit is available.

You should upgrade the affected component.VulDB Recent EntriesRead More