CVE-2026-50179 Actual: CSV Formula Injection in Transaction Export via Imported Payee/Notes Fields

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...

CVE-2026-50179

CVE-2026-50179 affects Actual Budget prior to version 26.6.0 where exportToCSV/exportQueryToCSV passed user-controlled Payee/Notes/Account/Category strings to csv-stringify without a cast callback, allowing formula prefixes (e.g., =, +, -, @, tab, CR) to survive in CSV cells. When opened in Excel...