CVE-2026-27638

Actual is a local-first personal finance tool. Prior to version 26.2.1, in multi-user mode OpenID, the sync API endpoints /sync/ don't verify that the authenticated user owns or has access to the file being operated on. Any authenticated user can read, modify, and overwrite any other user's budge...

CVE-2026-27638

CVE-2026-27638 affects ActualBudget in multi-user mode, where the sync endpoints (/sync/*) fail to verify file ownership. This allows any authenticated user to read, modify, or overwrite another user’s budget files by supplying a file ID. Version 26.2.1 patches the issue. The CVSS-derived metrics...

PT-2026-22202

Name of the Vulnerable Software and Affected Versions Actual versions prior to 26.2.1 Description A flaw exists in Actual, a personal finance tool, where the sync API endpoints do not properly verify user access permissions in multi-user mode OpenID. This allows any authenticated user to read,...