CVE-2026-27584
CVE-2026-27584 · ActualBudget server is Missing Authentication for SimpleFIN and Pluggy AI bank sync endpoints
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 9.2 · Critical · EPSS 0.4% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
actual
- Versions
- < 26.2.1: Affected
No fix published
@actual-app/sync-server npm
- Affected ranges
- SEMVER: < 26.2.1
Update to 26.2.1