CVE Intelligence

Actual Actual Sync Server vulnerabilities

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Published CVEs affecting Actual Actual Sync Server: 1 record(s), with affected versions and fixes.

CVE-2026-3089 Medium · 6.5 CWE-22 Mar 9, 2026
Actual Sync Server 26.2.1 - Authenticated Path Traversal
Actual Sync Server allows authenticated users to upload files through POST /sync/upload-user-file. In versions prior to 26.3.0, improper validation of the user-controlled x-actual-file-id header means that traversal segments (../) can escape the intended directory and write files outside userFiles.This issue affects prior versions of Actual Sync Server 26.3.0.