Missing Authorization

Overview @actual-app/sync-server is an actual syncing server Affected versions of this package are vulnerable to Missing Authorization via the /sync/ endpoints due to missing verification that the authenticated user owns or has access to the targeted file. An attacker can access, modify, or...

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

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...