CVE-2026-21128CWE-20

CVE-2026-21128

published October 12, 2026

CVSS
5.1
EPSS
0%
Percentile
1.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
5.1 · NONE
CVSS v4.0
5.1 · 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
EPSS
0.00119 · 1.7th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-10-12T09:17Z
References (1)
https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=10 · [email protected]
EPSS history
Timeline
  • 13 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 12 OCT 04:57Z
    Improper input validation in CreditCardRegisterActivity of Samsung Checkout prior to version 5.1.03.1 allows local attackers to launch arbitrary activity with…
    cvelistv5
  • 12 OCT 04:57Z
    Improper input validation in CreditCardRegisterActivity of Samsung Checkout prior to version 5.1.03.1 allows local attackers to launch arbitrary activity with…
    cvelistv5