ryanjoachim mcp-rtfm MCP update_doc path traversal

{
  "id": "4417934079210caf2b021ebf0faa4f4bd6e3a99c142f92d22231f7be5a6408e4",
  "url": "https://osv.dev/vulnerability/CVE-2026-7728",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ryanjoachim mcp-rtfm MCP update_doc path traversal",
    "summary": "A vulnerability was identified in ryanjoachim mcp-rtfm 0.1.0. This vulnerability affects the function get_doc_content/read_doc/update_doc of the component MCP Interface. Such manipulation of the argument docFile leads to path traversal. The attack can be launched remotely. The exploit is publicly available and might be used. The name of the patch is e6f0686fc36012f78236e7fed172c81444904b0b. It is best practice to apply a patch to resolve this issue.",
    "evidence": "osv:CVE-2026-7728",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-7728",
      "aliases": [
        "CVE-2026-7728"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ryanjoachim/mcp-rtfm",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "e6f0686fc36012f78236e7fed172c81444904b0b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "e6f0686fc36012f78236e7fed172c81444904b0b"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-7728.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.224724300Z",
      "provider": "osv",
      "references": [
        "https://github.com/ryanjoachim/mcp-rtfm/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7728.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-7728",
        "https://vuldb.com/submit/807538",
        "https://vuldb.com/vuln/360903",
        "https://github.com/BruceJqs/public_exp/issues/35",
        "https://github.com/ryanjoachim/mcp-rtfm/issues/5",
        "https://vuldb.com/vuln/360903/cti",
        "https://github.com/ryanjoachim/mcp-rtfm/commit/e6f0686fc36012f78236e7fed172c81444904b0b"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-22"
        ],
        "cna_assigner": "VulDB",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0.1.0"
                  },
                  {
                    "last_affected": "0.1.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7728.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-7728",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 509925,
  "published_at": "2026-05-04T03:30:16.625+00:00"
}