CVE-2026-50179: 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-con
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.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-50179
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-501790.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-50179 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Actual is a
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- mediumCVE-2026-59938: pypdf is a free and open-source pure-python PDF library. Prior to 6.14.0, an attacker can craf…nvd · 2026-07-08
- highCVE-2026-49229: Actual is a local-first personal finance app. Prior to 26.6.0, in OpenID multi-user mode, disa…nvd · 2026-07-07
- unknownCVE-2026-50007: Actual is an open-source personal finance application. Prior to 26.7.0, a missing authorizatio…nvd · 2026-07-07
- mediumCVE-2026-46700: Actual is a local-first personal finance tool. Prior to 26.6.0, the GET /secret/:name endpoint…nvd · 2026-07-07
- mediumCVE-2026-46672: Actual is a local-first personal finance app. Prior to 26.6.0, @actual-app/cli ships a hand-ro…nvd · 2026-07-07
- mediumCVE-2026-53146: thunderbolt: Limit XDomain response copy to actual frame sizemsrc · 2026-06-09
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