CVE-2026-44826

{
  "id": "CVE-2026-44826",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-15T19:17:00.913",
  "lastModified": "2026-10-26T14:10:00.130",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.2, Vvveb CMS does not validate the sign of the quantity parameter on the cart-add endpoint. Submitting a negative integer is accepted by the server and treated as a normal positive line-item, but with the sign carried through into every downstream computation: line total, sub-total, taxes, and grand total all become negative numbers. The customer-facing cart UI then displays a negative grand total to the user, the checkout flow accepts the negative cart, and the resulting order is persisted in the merchant's database with a negative total column. From the merchant's order management dashboard, this surfaces as a real order with a negative total — an \"the merchant owes the customer money\" record that no legitimate workflow ever creates. This vulnerability is fixed in 1.0.8.2."
    },
    {
      "lang": "es",
      "value": "Vvveb es un CMS potente y fácil de usar con un constructor de páginas para crear sitios web, blogs o tiendas de comercio electrónico. Antes de la versión 1.0.8.2, Vvveb CMS no valida el signo del parámetro de cantidad en el endpoint ’cart-add’. Enviar un número entero negativo es aceptado por el servidor y tratado como un artículo de línea positivo normal, pero con el signo arrastrado a cada cálculo posterior: el total de la línea, el subtotal, los impuestos y el total general se convierten en números negativos. La interfaz de usuario del carrito orientada al cliente muestra entonces un total general negativo al usuario, el flujo de pago acepta el carrito negativo y el pedido resultante se persiste en la base de datos del comerciante con una columna de total negativo. Desde el panel de control de gestión de pedidos del comerciante, esto aparece como un pedido real con un total negativo - un registro de ’el comerciante le debe dinero al cliente’ que ningún flujo de trabajo legítimo crea jamás. Esta vulnerabilidad se corrige en la versión 1.0.8.2."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "givanz",
          "product": "Vvveb",
          "versions": [
            {
              "version": "< 1.0.8.2",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-15T21:11:36.498710Z",
          "id": "CVE-2026-44826",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1284"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/givanz/Vvveb/security/advisories/GHSA-75x2-j47j-mg8j",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/givanz/Vvveb/security/advisories/GHSA-75x2-j47j-mg8j",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ]
}