CVE-2026-50179

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{"affected": [{"affectedData": [{"product": "actual", "vendor": "actualbudget", "versions": [{"status": "affected", "version": "< 26.6.0"}]}], "source": "security-advisories@github.com"}], "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 \u2019local-first\u2019. Antes de la versi\u00f3n 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 Categor\u00eda) a csv-stringify sin una funci\u00f3n de devoluci\u00f3n de llamada de conversi\u00f3n (\u2019cast callback\u2019) y sin neutralizaci\u00f3n de prefijos de f\u00f3rmula. Las cadenas que comienzan con un signo igual, m\u00e1s, 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 f\u00f3rmulas, lo que permite la exfiltraci\u00f3n de datos de transacciones y valores de visualizaci\u00f3n de hoja de c\u00e1lculo elegidos por el atacante. Este problema se solucion\u00f3 en la versi\u00f3n 26.6.0."}], "id": "CVE-2026-50179", "lastModified": "2026-10-25T20:10:00.147", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 2.5, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-50179", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-09T14:21:10.601992Z", "version": "2.0.3"}}]}, "published": "2026-07-07T22:16:52.923", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/actualbudget/actual/commit/068185751c03b42e726e3c60b718413d5f96c306"}, {"source": "security-advisories@github.com", "url": "https://github.com/actualbudget/actual/releases/tag/v26.6.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/actualbudget/actual/security/advisories/GHSA-xqjm-27pc-rvwm"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1236"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,26.6.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "actual", "source": "cna", "vendor": "actualbudget"}, "product": "actual", "vendor": "actualbudget"}], "created": "2026-07-07T22:30:17.134058+00:00", "updated": "2026-08-03T05:00:16.016690+00:00", "vendors": ["actualbudget", "actualbudget$PRODUCT$actual"]}