Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Actualbudget | Actual | < 26.2.1 |
Related Weaknesses (CWE)
References
- https://github.com/actualbudget/actual/commit/ea937d100956ca56689ff852d99c28589ePatch
- https://github.com/actualbudget/actual/security/advisories/GHSA-m2cq-xjgm-f668ExploitVendor Advisory
FAQ
What is CVE-2026-27584?
CVE-2026-27584 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 an...
How severe is CVE-2026-27584?
CVE-2026-27584 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-27584?
Check the references section above for vendor advisories and patch information. Affected products include: Actualbudget Actual.