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    CVE-2026-27584

    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.

    Published:Feb 24, 2026
    Last Modified:Apr 16, 2026
    EPS:Feb 24, 2026
    EPSS Score:0.00161
    CVSS Score:7.5

    Affected Products

    Vendor
    Actualbudget
    Product
    Actual

    Exploits

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

    Related CVEs

    CVE-2026-49229 (CVSS 8.3) — Actual is a local-first personal finance app. Prior to 26.6.0, in OpenID multi-user mode, disabling a user onl…
    CVE-2026-50179 (CVSS 4.2) — Actual is a local-first personal finance tool. Prior to 26.6.0, exportToCSV and exportQueryToCSV in packages/l…
    CVE-2026-46700 (CVSS 4.3) — Actual is a local-first personal finance tool. Prior to 26.6.0, the GET /secret/:name endpoint in @actual-app/…
    CVE-2026-46672 (CVSS 4.6) — Actual is a local-first personal finance app. Prior to 26.6.0, @actual-app/cli ships a hand-rolled CSV seriali…
    CVE-2026-50007 (CVSS 7.2) — Actual is an open-source personal finance application. Prior to 26.7.0, a missing authorization issue allows a…
    CVE-2026-43872 (CVSS 5.3) — Actual is an open-source personal finance application. Prior to version 26.5.0, several endpoints are affected…
    CVE-2026-42890 (CVSS 4.8) — Actual is an open-source personal finance application. In the macOS desktop application version 25.x (built on…
    CVE-2026-42604 (CVSS 6.9) — Actual is a local-first personal finance tool. The `POST /openid/config` endpoint in Actual Budget's sync-serv…
    CVE-2026-33318 (CVSS 8.8) — Actual is a local-first personal finance tool. Prior to version 26.4.0, any authenticated user (including `BAS…
    CVE-2026-3089 (CVSS 5.3) — Actual Sync Server allows authenticated users to upload files through POST /sync/upload-user-file. In versions…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High