CVE-2026-27638
Actual is a local-first personal finance tool.
Published Feb 26, 2026 · updated Jun 17, 2026 · actualbudget actual
Actual is a local-first personal finance tool. Prior to version 26.2.1, in multi-user mode (OpenID), the sync API endpoints ( ) 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 budget files by providing their file ID. Version 26.2.1 patches the issue.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Feb 26, 2026 · NIST NVD
Detected
Actual is a local-first personal finance tool. Prior to version 26.2.1, in multi-user mode (OpenID), the sync API endpoints ( ) 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 budget files by providing their file ID. Version 26.2.1 patches the issue.
Jun 17, 2026 · NIST NVD
Updated
Actual is a local-first personal finance tool. Prior to version 26.2.1, in multi-user mode (OpenID), the sync API endpoints ( ) 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 budget files by providing their file ID. Version 26.2.1 patches the issue.
Affected
- cpe actualbudget/actualversion unspecified
Sources
- NIST NVDVulnerability recordCVE-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 ( ) don't verify that the authenticated user owns or has access to the file being operated on. Any authenticated user can read, modify, and overwrit
nvd.nist.gov