jotty·page: Unauthenticated Path Traversal leads to sensitive file disclosure and session-token reuse impact

{
  "id": "2b9d657f2d1508775b16b62e5725056ff57be8ffd8c81d1e368166df05392891",
  "url": "https://osv.dev/vulnerability/CVE-2026-42564",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "jotty·page: Unauthenticated Path Traversal leads to sensitive file disclosure and session-token reuse impact",
    "summary": "jotty·page is a self-hosted app for your checklists and notes. Prior to 1.22.0, an unauthenticated path traversal vulnerability exists in /api/app-icons/[filename]. The filename route parameter is joined into a filesystem path without traversal/boundary validation, allowing file reads outside data/uploads/app-icons/. This vulnerability is fixed in 1.22.0.",
    "evidence": "osv:CVE-2026-42564",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-42564",
      "aliases": [
        "CVE-2026-42564",
        "GHSA-7843-gwq8-g96f"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/fccview/jotty",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "00dd9eafec1b2f80e186492dcdb836a3a1482cbf"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.22.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.22.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.21.1",
            "1.21.0",
            "1.20.0",
            "develop",
            "1.18.1",
            "1.19.1",
            "1.19.0",
            "1.16.1",
            "1.16.0",
            "1.15.2",
            "1.15.1",
            "1.15.0",
            "1.14.4",
            "1.14.3",
            "1.14.2",
            "1.14.1",
            "1.14.0",
            "1.13.1",
            "1.13.0",
            "1.12.2",
            "1.12.1",
            "1.6.1",
            "1.6.0",
            "1.5.4",
            "1.5.3",
            "1.5.2",
            "1.5.1",
            "1.5.0",
            "1.4.2",
            "1.4.1",
            "1.4.0",
            "1.3.2",
            "1.3.1",
            "1.2.0",
            "1.1.1",
            "1.1.0",
            "1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42564.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:34.665677319Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42564.json",
        "https://github.com/fccview/jotty/security/advisories/GHSA-7843-gwq8-g96f",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-42564"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-200",
          "CWE-22"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42564.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-42564",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 501929,
  "published_at": "2026-05-11T21:17:41.624+00:00"
}