CVE-2026-46672

CVE-2026-46672 · Actual: CSV Formula Injection in `@actual-app/cli` `--format csv` Output via Custom `escapeCsv` Helper

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Actual is a local-first personal finance app. Prior to 26.6.0, @actual-app/cli ships a hand-rolled CSV serializer in packages/cli/src/output.ts used whenever the global --format csv option is passed, whose escapeCsv helper only handles RFC 4180 delimiter, quote, and newline escaping and does not neutralize standard CSV formula-injection prefixes. Any CLI command that streams an object array containing user-controlled strings, including transactions list, accounts list, payees list, categories list, tags list, category-groups list, rules list, schedules list, and query, can emit cells that auto-evaluate when the resulting CSV is opened in Excel, LibreOffice Calc, or Google Sheets, enabling data exfiltration and arbitrary formula execution. This issue is fixed in version 26.6.0.

CVSS 4.6 · Medium · EPSS 0.2% · Fix available

Published

2026-07-07T20:55:02.846Z

Updated

2026-07-08T13:00:02.162Z

Stack: node

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