{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "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"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "CPE_RANGE"
            ]
          },
          "events": [
            {
              "introduced": "0f77d333ca2609a2401413a6d4a2ffa6f89d760b"
            },
            {
              "fixed": "f9e09ca59b06bf9cc495feeedeac778a257fdfa5"
            }
          ],
          "repo": "https://github.com/actualbudget/actual",
          "type": "GIT"
        }
      ],
      "versions": [
        "26.2.1"
      ]
    }
  ],
  "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"
  },
  "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.",
  "id": "CVE-2026-3089",
  "modified": "2026-07-15T01:49:05.266664704Z",
  "published": "2026-03-09T14:08:55.998Z",
  "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"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Actual Sync Server 26.2.1 - Authenticated Path Traversal"
}