RustDesk before 1.5.0 One-Way File Transfer Bypass

{
  "id": "a13cbbdedc592850f9603995043fb4e39828ed1183427c06ca29d4139ad8e8c8",
  "url": "https://osv.dev/vulnerability/CVE-2026-100417",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "RustDesk before 1.5.0 One-Way File Transfer Bypass",
    "summary": "RustDesk before 1.5.0 on Windows fails to enforce the one-way file transfer option against peer clipboard file requests, allowing authenticated peers to read files from the host clipboard. Attackers can send FormatDataRequest and FileContentsRequest messages to retrieve copied files by guessing the FileGroupDescriptorW format identifier.",
    "evidence": "osv:CVE-2026-100417",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-100417",
      "aliases": [
        "CVE-2026-100417"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/rustdesk/rustdesk",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "e9ddbd8f460dac1b30b9815ba324a5dadc8d97b0"
                },
                {
                  "fixed": "f299fb9906006247863250d7dfaa016f29eef7a4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.5.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f299fb9906006247863250d7dfaa016f29eef7a4"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.4.9",
            "1.4.8",
            "1.4.7",
            "1.4.6",
            "nightly",
            "1.4.5",
            "1.4.4",
            "1.4.3",
            "1.4.2",
            "1.4.1",
            "1.4.0",
            "1.3.9",
            "1.3.8",
            "1.3.7",
            "1.3.6",
            "1.3.5",
            "1.3.4",
            "1.3.3",
            "1.3.2",
            "1.3.1",
            "1.3.0",
            "1.2.7",
            "1.2.6",
            "1.2.5",
            "fdroid-version",
            "1.2.4",
            "1.2.3-2",
            "1.2.3-1",
            "1.2.3",
            "1.2.2",
            "1.2.1",
            "1.2.0",
            "1.1.9",
            "1.1.8",
            "1.1.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-100417.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:31.032531624Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100417.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-100417",
        "https://www.vulncheck.com/advisories/rustdesk-before-1.5.0-one-way-file-transfer-bypass",
        "https://github.com/rustdesk/rustdesk/commit/f299fb9906006247863250d7dfaa016f29eef7a4",
        "https://github.com/rustdesk/rustdesk/pull/16333",
        "https://github.com/rustdesk/rustdesk",
        "https://github.com/rustdesk/rustdesk/blob/1.4.9/libs/clipboard/src/windows/wf_cliprdr.c#L2728-L2770",
        "https://github.com/rustdesk/rustdesk/blob/1.4.9/src/ui_cm_interface.rs#L618-L638"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-862"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100417.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-100417",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 498055,
  "published_at": "2026-09-25T20:25:18.041+00:00"
}