{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-86405", "assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21", "state": "PUBLISHED", "assignerShortName": "TR-CERT", "dateReserved": "2026-09-07T11:25:25.549Z", "datePublished": "2026-10-09T12:52:43.902Z", "dateUpdated": "2026-10-12T22:54:01.843Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21", "shortName": "TR-CERT", "dateUpdated": "2026-10-09T12:52:43.902Z" }, "title": "Payment Validation Bypass in Sipay Electronic Money's SanalPos PrestaShop", "datePublic": "2026-10-09T12:47:00.000Z", "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": "PrestaShop Virtual POS Module", "versions": [ { "status": "affected", "version": "26.8.1", "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. PrestaShop Virtual POS Module allows Signature Spoofing by Improper Validation.\n\nThis issue affects PrestaShop Virtual POS Module: from 26.8.1 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. PrestaShop Virtual POS Module allows Signature Spoofing by Improper Validation.

This issue affects PrestaShop Virtual POS Module: from 26.8.1 before 26.9.1.

" } ] } ], "references": [ { "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1287", "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-26-1287" ], "advisory": "TR-26-1287", "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 1.0.5" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2026-86405", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2026-10-12T22:48:31.496815Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-12T22:54:01.843Z" } } ] } }