CVE-2026-27584
HIGH
GHSA-m2cq-xjgm-f668
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
4Description
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.
Analysis
Actual is a local-first personal finance tool. [CVSS 7.5 HIGH]
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Remediation
Within 24 hours: Identify all systems running Actual and assess usage scope across the organization. Within 7 days: Deploy available vendor patch to all affected instances; communicate mandatory update requirements to end users. …
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External POC / Exploit Code
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