Rejetto HFS < 3.2.1 Limited File Disclosure via Path Traversal in lang Parameter

{
  "id": "c1a09ce82489807fee58f0ae645275ba8b488bbb372cea9ca7c7496ae25c6d45",
  "url": "https://osv.dev/vulnerability/CVE-2026-61505",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Rejetto HFS < 3.2.1 Limited File Disclosure via Path Traversal in lang Parameter",
    "summary": "Rejetto HFS 3.0.0 through 3.2.0 allows path traversal through the lang query parameter, permitting a remote unauthenticated attacker to read certain JSON files outside the shared folders. Exploitation is constrained to files matching a narrow naming and format pattern, limiting practical impact.",
    "evidence": "osv:CVE-2026-61505",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-61505",
      "aliases": [
        "CVE-2026-61505"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/rejetto/hfs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "72b005c14cd3d11e0ef3afa3c9fa46bc07af444a"
                },
                {
                  "fixed": "15f0eb32f856016b6a3a04c8679b9a12eb18c203"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "fixed": "3.2.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "15f0eb32f856016b6a3a04c8679b9a12eb18c203"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v3.2.1"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.2.0",
            "v3.1.7",
            "v3.1.5",
            "v3.1.4",
            "v3.1.3",
            "v3.1.2",
            "v3.1.1",
            "v3.1.0",
            "v3.1.0-rc12",
            "v3.1.0-rc11",
            "v3.1.0-rc10",
            "v3.1.0-rc9",
            "v3.1.0-rc8",
            "v3.0.7",
            "v3.1.0-rc7",
            "v3.1.0-beta6",
            "v3.1.0-beta5",
            "v3.1.0-beta4",
            "v3.1.0-alpha3",
            "v3.1.0-alpha1",
            "v3.0.6",
            "v3.0.5",
            "v3.0.4",
            "v3.0.3",
            "v3.0.2",
            "v3.0.1",
            "v3.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-61505.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:46.298739325Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61505.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-61505",
        "https://www.vulncheck.com/advisories/rejetto-hfs-limited-file-disclosure-via-path-traversal-in-lang-parameter",
        "https://github.com/rejetto/hfs/releases/tag/v3.2.1",
        "https://github.com/rejetto/hfs"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-22"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61505.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-61505",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 514403,
  "published_at": "2026-07-13T17:23:58.901+00:00"
}