CVE-2026-50179

{
  "id": "CVE-2026-50179",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-07T22:16:52.923",
  "lastModified": "2026-10-25T20:10:00.147",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Actual is a local-first personal finance tool. Prior to 26.6.0, exportToCSV and exportQueryToCSV in packages/loot-core/src/server/transactions/export/export-to-csv.ts pass user-controlled Payee, Notes, Account, and Category strings to csv-stringify with no cast callback and no formula-prefix neutralization. Strings that begin with equals sign, plus, minus, at sign, tab, or carriage return survive verbatim into the exported CSV, and when a recipient opens the file in Excel, LibreOffice Calc, or Google Sheets, the strings are interpreted as formulas, enabling transaction data exfiltration and attacker-chosen spreadsheet display values. This issue is fixed in version 26.6.0."
    },
    {
      "lang": "es",
      "value": "Actual es una herramienta de finanzas personales ’local-first’. Antes de la versión 26.6.0, las funciones exportToCSV y exportQueryToCSV en packages/loot-core/src/server/transactions/export/export-to-csv.ts pasan cadenas controladas por el usuario (Beneficiario, Notas, Cuenta y Categoría) a csv-stringify sin una función de devolución de llamada de conversión (’cast callback’) y sin neutralización de prefijos de fórmula. Las cadenas que comienzan con un signo igual, más, menos, arroba, tabulador o retorno de carro sobreviven textualmente en el CSV exportado, y cuando un destinatario abre el archivo en Excel, LibreOffice Calc o Google Sheets, las cadenas se interpretan como fórmulas, lo que permite la exfiltración de datos de transacciones y valores de visualización de hoja de cálculo elegidos por el atacante. Este problema se solucionó en la versión 26.6.0."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "actualbudget",
          "product": "actual",
          "versions": [
            {
              "version": "< 26.6.0",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N",
          "baseScore": 4.2,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 2.5
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-09T14:21:10.601992Z",
          "id": "CVE-2026-50179",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1236"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/actualbudget/actual/commit/068185751c03b42e726e3c60b718413d5f96c306",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/actualbudget/actual/releases/tag/v26.6.0",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/actualbudget/actual/security/advisories/GHSA-xqjm-27pc-rvwm",
      "source": "[email protected]"
    }
  ]
}