{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-85531", "assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21", "state": "PUBLISHED", "assignerShortName": "TR-CERT", "dateReserved": "2026-09-04T08:44:49.198Z", "datePublished": "2026-10-09T12:28:54.969Z", "dateUpdated": "2026-10-09T12:28:54.969Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21", "shortName": "TR-CERT", "dateUpdated": "2026-10-09T12:28:54.969Z"}, "title": "Payment Validation Bypass in Sipay Electronic Money's OpenCart 3.x", "datePublic": "2026-10-09T12:01:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-347", "description": "CWE-347 Improper verification of cryptographic signature", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-475", "descriptions": [{"lang": "en", "value": "CAPEC-475 Signature Spoofing by Improper Validation"}]}], "affected": [{"vendor": "Sipay Electronic Money and Payment Services Inc.", "product": "OpenCart Virtual POS Module", "versions": [{"status": "affected", "version": "26.8.2", "lessThan": "26.9.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Improper verification of cryptographic signature vulnerability in Sipay Electronic Money and Payment Services Inc. OpenCart Virtual POS Module allows Signature Spoofing by Improper Validation.\n\nThis issue affects OpenCart Virtual POS Module: from 26.8.2 before 26.9.1.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Improper verification of cryptographic signature vulnerability in Sipay Electronic Money and Payment Services Inc. OpenCart Virtual POS Module allows Signature Spoofing by Improper Validation.<p>This issue affects OpenCart Virtual POS Module: from 26.8.2 before 26.9.1.</p>"}]}], "references": [{"url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1286", "tags": ["government-resource"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}], "credits": [{"lang": "en", "value": "Yasin SUER", "type": "finder"}], "source": {"defect": ["TR-26-1286"], "advisory": "TR-26-1286", "discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "OpenCart Virtual POS Module", "vendor": "Sipay Electronic Money and Payment Services Inc.", "versions": [{"lessThan": "26.9.1", "status": "affected", "version": "26.8.2", "versionType": "semver"}]}], "source": "iletisim@usom.gov.tr"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper verification of cryptographic signature vulnerability in Sipay Electronic Money and Payment Services Inc. OpenCart Virtual POS Module allows Signature Spoofing by Improper Validation.\n\nThis issue affects OpenCart Virtual POS Module: from 26.8.2 before 26.9.1."}], "id": "CVE-2026-85531", "lastModified": "2026-10-09T13:21:13.267", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "iletisim@usom.gov.tr", "type": "Primary"}]}, "published": "2026-10-09T13:17:10.957", "references": [{"source": "iletisim@usom.gov.tr", "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1286"}], "sourceIdentifier": "iletisim@usom.gov.tr", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "iletisim@usom.gov.tr", "type": "Primary"}]}

{}

{"created": "2026-10-09T14:30:04.310965+00:00", "updated": "2026-10-09T14:30:04.310978+00:00", "vendors": []}