CVE & CISA-KEV Catalog

CVE-2026-50179

MEDIUM
4.2
CVSS v3
NVD

Description

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.

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityLow
AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Exploit Intelligence

0.29%probability of exploitation in 30 days
21stpercentile

Low risk: more likely to be exploited than 21% of all known CVEs.

References

Related Vulnerabilities

Other CWE-1236 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2021-33256High8.879%--
CVE-2018-11652Critical9.824%-Fix
CVE-2020-36962Critical9.811%--
CVE-2019-12765Critical9.810%--
CVE-2019-14749High8.89.6%-Fix
CVE-2020-9372High7.88.6%-Fix

Common questions

How do I fix CVE-2026-50179?

No published fix for CVE-2026-50179 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

Is CVE-2026-50179 being actively exploited?

Not that we know of. CVE-2026-50179 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.29% is the estimated probability that it will be exploited in the next 30 days. That is higher than 21% of all scored CVEs.

How severe is CVE-2026-50179?

CVE-2026-50179 has a CVSS v3 base score of 4.2, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-09.