{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21128", "assignerOrgId": "3af57064-a867-422c-b2ad-40307b65c458", "state": "PUBLISHED", "assignerShortName": "SamsungMobile", "dateReserved": "2025-12-11T01:33:35.833Z", "datePublished": "2026-10-12T04:57:45.291Z", "dateUpdated": "2026-10-15T16:39:03.900Z"}, "containers": {"cna": {"problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-20: Improper Input Validation"}]}], "affected": [{"vendor": "Samsung Mobile", "product": "Samsung Checkout", "versions": [{"status": "unaffected", "version": "5.1.03.1", "versionType": "semver", "lessThan": "*"}], "defaultStatus": "affected"}], "descriptions": [{"lang": "en", "value": "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."}], "references": [{"url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=10"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.1, "vectorString": "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", "baseSeverity": "MEDIUM"}}], "providerMetadata": {"orgId": "3af57064-a867-422c-b2ad-40307b65c458", "shortName": "SamsungMobile", "dateUpdated": "2026-10-12T04:57:45.291Z"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-20", "lang": "en", "description": "CWE-20 Improper Input Validation"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-15T16:38:46.490495Z", "id": "CVE-2026-21128", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T16:39:03.900Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21128", "assignerOrgId": "3af57064-a867-422c-b2ad-40307b65c458", "state": "PUBLISHED", "assignerShortName": "SamsungMobile", "dateReserved": "2025-12-11T01:33:35.833Z", "datePublished": "2026-10-12T04:57:45.291Z", "dateUpdated": "2026-10-15T16:39:03.900Z"}, "containers": {"cna": {"problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-20: Improper Input Validation"}]}], "affected": [{"vendor": "Samsung Mobile", "product": "Samsung Checkout", "versions": [{"status": "unaffected", "version": "5.1.03.1", "versionType": "semver", "lessThan": "*"}], "defaultStatus": "affected"}], "descriptions": [{"lang": "en", "value": "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."}], "references": [{"url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=10"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.1, "vectorString": "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", "baseSeverity": "MEDIUM"}}], "providerMetadata": {"orgId": "3af57064-a867-422c-b2ad-40307b65c458", "shortName": "SamsungMobile", "dateUpdated": "2026-10-12T04:57:45.291Z"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-21128", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-15T16:38:46.490495Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-20", "description": "CWE-20 Improper Input Validation"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T16:38:58.506Z"}}]}}

{"affected": [{"affectedData": [{"defaultStatus": "affected", "product": "Samsung Checkout", "vendor": "Samsung Mobile", "versions": [{"lessThan": "*", "status": "unaffected", "version": "5.1.03.1", "versionType": "semver"}]}], "source": "mobile.security@samsung.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-21128", "lastModified": "2026-10-15T17:17:22.007", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "mobile.security@samsung.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21128", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T16:38:46.490495Z", "version": "2.0.3"}}]}, "published": "2026-10-12T05:17:01.440", "references": [{"source": "mobile.security@samsung.com", "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=10"}], "sourceIdentifier": "mobile.security@samsung.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.1.03.1,*)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "samsung_checkout", "vendor": "samsung_mobile"}], "created": "2026-10-12T06:45:07.111231+00:00", "title": "Local Input Validation Flaw in Samsung Checkout Allows Arbitrary Activity Launch", "updated": "2026-10-13T07:56:47.248664+00:00", "vendors": ["samsung_mobile", "samsung_mobile$PRODUCT$samsung_checkout"], "weaknesses": ["CWE-20"]}