CVE-2026-85531 (GCVE-0-2026-85531)

Vulnerability from cvelistv5 – Published: 2026-10-09 12:28 – Updated: 2026-10-09 12:28
VLAI
Title
Payment Validation Bypass in Sipay Electronic Money's OpenCart 3.x
Summary
Improper verification of cryptographic signature vulnerability in Sipay Electronic Money and Payment Services Inc. OpenCart Virtual POS Module allows Signature Spoofing by Improper Validation. This issue affects OpenCart Virtual POS Module: from 26.8.2 before 26.9.1.
CWE
  • CWE-347 - Improper verification of cryptographic signature
Assigner
TR-CERT CNA under the mitre root
CNA scorecard C 74/100 over 260 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Sipay Electronic Money and Payment Services Inc. OpenCart Virtual POS Module Affected: 26.8.2 , < 26.9.1 (semver)
guessed Create a notification for this product.
Date Public
2026-10-09 12:01
Credits
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "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"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Yasin SUER"
        }
      ],
      "datePublic": "2026-10-09T12:01:00.000Z",
      "descriptions": [
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          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "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.\u003cp\u003eThis issue affects OpenCart Virtual POS Module: from 26.8.2 before 26.9.1.\u003c/p\u003e"
            }
          ],
          "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."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-475",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-475 Signature Spoofing by Improper Validation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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"
          },
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              "description": "CWE-347 Improper verification of cryptographic signature",
              "lang": "en",
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      "providerMetadata": {
        "dateUpdated": "2026-10-09T12:28:54.969Z",
        "orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
        "shortName": "TR-CERT"
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          "tags": [
            "government-resource"
          ],
          "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1286"
        }
      ],
      "source": {
        "advisory": "TR-26-1286",
        "defect": [
          "TR-26-1286"
        ],
        "discovery": "UNKNOWN"
      },
      "title": "Payment Validation Bypass in Sipay Electronic Money\u0027s OpenCart 3.x",
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        "engine": "Vulnogram 1.0.5"
      }
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  "cveMetadata": {
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    "cveId": "CVE-2026-85531",
    "datePublished": "2026-10-09T12:28:54.969Z",
    "dateReserved": "2026-09-04T08:44:49.198Z",
    "dateUpdated": "2026-10-09T12:28:54.969Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
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      "date": "2026-10-10",
      "epss": "0.00201",
      "percentile": "0.09163"
    },
    "nvd": {
      "cve": {
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          {
            "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",
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                "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"
              },
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              "source": "iletisim@usom.gov.tr",
              "type": "Primary"
            }
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        },
        "published": "2026-10-09T13:17:10.957",
        "references": [
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            "source": "iletisim@usom.gov.tr",
            "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1286"
          }
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        "vulnStatus": "Deferred",
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                "value": "CWE-347"
              }
            ],
            "source": "iletisim@usom.gov.tr",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



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