{"id":"CVE-2026-21129","aliases":["EUVD-2026-97193","GHSA-x2cq-w578-xxmh"],"status":"published","title":"Improper input validation in GuestCreditCardRegisterActivity of Samsung Checkout prior to version...","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.","severity":{"version":"4.0","score":5.1,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00111,"percentile":0.01324,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2026-10-12T04:57:46Z","modified":"2026-10-15T18:32:52Z","products":[{"vendor":"samsung mobile","product":"samsung checkout"}],"references":[{"url":"https://security.samsungmobile.com/serviceWeb.smsb?year=2026\u0026month=10"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21129"},{"url":"https://github.com/advisories/GHSA-x2cq-w578-xxmh"}],"sources":{"cve":[{"id":"CVE-2026-21129","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.","status":"published","published":"2026-10-12T04:57:46.364Z","modified":"2026-10-15T16:39:31.979Z","cvss":[{"version":"4.0","score":5.1,"vector":"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","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T13:41:42.05254Z"}],"euvd":[{"id":"EUVD-2026-97193","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.","status":"published","published":"2026-10-12T04:57:46Z","modified":"2026-10-15T16:39:31Z","cvss":[{"version":"4.0","score":5.1,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T17:00:11.901066Z"}],"ghsa":[{"id":"GHSA-x2cq-w578-xxmh","title":"Improper input validation in GuestCreditCardRegisterActivity of Samsung Checkout prior to version...","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.","status":"published","published":"2026-10-12T06:31:16Z","modified":"2026-10-15T18:32:52Z","cvss":[{"version":"4.0","score":5.1,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:13:37.004212Z"}],"nvd":[{"id":"CVE-2026-21129","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.","status":"published","published":"2026-10-12T05:17:01.557Z","modified":"2026-10-15T17:17:22.14Z","cvss":[{"version":"4.0","score":5.1,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:12:56.310333Z"}]}}