{"id":"CVE-2026-3089","summary":"Actual Sync Server 26.2.1 - Authenticated Path Traversal","details":"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.","aliases":["GHSA-27vg-33gh-4hwg"],"modified":"2026-07-15T01:49:05.266664704Z","published":"2026-03-09T14:08:55.998Z","database_specific":{"cna_assigner":"Fluid Attacks","cwe_ids":["CWE-22"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3089.json"},"references":[{"type":"WEB","url":"https://registry.npmjs.org"},{"type":"ADVISORY","url":"https://fluidattacks.com/advisories/fugue"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3089.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3089"},{"type":"FIX","url":"https://github.com/actualbudget/actual/pull/7067"},{"type":"PACKAGE","url":"https://github.com/actualbudget/actual"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/actualbudget/actual","events":[{"introduced":"0f77d333ca2609a2401413a6d4a2ffa6f89d760b"},{"fixed":"f9e09ca59b06bf9cc495feeedeac778a257fdfa5"}],"database_specific":{"source":["AFFECTED_FIELD","CPE_RANGE"],"cpe":"cpe:2.3:a:actualbudget:actual:*:*:*:*:*:node.js:*:*","extracted_events":[{"introduced":"26.2.1"},{"last_affected":"26.2.1"},{"introduced":"0"},{"fixed":"26.3.0"}]}}],"versions":["26.2.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3089.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}]}