Improper Input Validation in Samsung Checkout Affects Mobile Payment Security
CVE-2026-21130

5.1MEDIUM

Key Information:

Vendor

Samsung
Status
Samsung Checkout
Vendor
CVE Published:
12 October 2026

What is CVE-2026-21130?

The Samsung Checkout application suffers from improper input validation in the CreditCardRetrieveActivity component. This vulnerability allows local attackers to execute arbitrary activities with the same privileges as Samsung Checkout, potentially compromising user data and transaction security. Users are advised to update to the latest version to mitigate the risk associated with this vulnerability.

Affected Version(s)

Samsung Checkout 5.1.03.1

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2...

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.