CVE-2026-27584

HIGH

7.5

Description

Actual is a local-first personal finance tool. Prior to version 26.2.1, missing authentication middleware in the ActualBudget server component allows any unauthenticated user to query the SimpleFIN and Pluggy.ai integration endpoints and read sensitive bank account balance and transaction information. This vulnerability allows an unauthenticated attacker to read the bank account balance and transaction history of ActualBudget users. This vulnerability impacts all ActualBudget Server users with the SimpleFIN or Pluggy.ai integrations configured. The ActualBudget Server instance must be reachable over the network. Version 26.2.1 patches the issue.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/24/2026

Last Modified2/26/2026

Sourcenvd

Honeypot Sightings0

Affected Products

actualbudget:actual

Weaknesses (CWE)

CWE-306

References

https://github.com/actualbudget/actual/commit/ea937d100956ca56689ff852d99c28589e2a7d88(security-advisories@github.com)

https://github.com/actualbudget/actual/security/advisories/GHSA-m2cq-xjgm-f668(security-advisories@github.com)

IOC Correlations

No correlations recorded

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