CVE-2026-50179
CVE-2026-50179 · Actual: CSV Formula Injection in Transaction Export via Imported Payee/Notes Fields
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 4.2 · Medium · EPSS 0.3% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
actual
- Versions
- < 26.6.0: Affected
No fix published
@actual-app/web npm
- Affected ranges
- SEMVER: < 26.6.0
Update to 26.6.0