zcaceres markdownify-mcp webpage-to-markdown Markdownify.ts saveToTempFile random values

{
  "id": "cb194b7a3fd19781d42679e4db35def556a3906ec5d461f46b7184ffd47e0d24",
  "url": "https://osv.dev/vulnerability/CVE-2026-14702",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "zcaceres markdownify-mcp webpage-to-markdown Markdownify.ts saveToTempFile random values",
    "summary": "A flaw has been found in zcaceres markdownify-mcp up to 1.1.0. This impacts the function saveToTempFile of the file src/Markdownify.ts of the component webpage-to-markdown/youtube-to-markdown/bing-search-to-markdown. This manipulation causes insufficiently random values. The attack is restricted to local execution. A high degree of complexity is needed for the attack. The exploitability is said to be difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.",
    "evidence": "osv:CVE-2026-14702",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-14702",
      "aliases": [
        "CVE-2026-14702"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/zcaceres/markdownify-mcp",
              "type": "GIT",
              "events": [
                {
                  "introduced": "024f97cea9a94cd842c445eea4503c442c79bd71"
                },
                {
                  "last_affected": "024f97cea9a94cd842c445eea4503c442c79bd71"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "1.1.0"
                      },
                      {
                        "last_affected": "1.1.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.1.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.1.0",
            "v1.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-14702.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:34.557563116Z",
      "provider": "osv",
      "references": [
        "https://github.com/zcaceres/markdownify-mcp/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14702.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-14702",
        "https://vuldb.com/cve/CVE-2026-14702",
        "https://vuldb.com/submit/846942",
        "https://vuldb.com/vuln/376298",
        "https://github.com/zcaceres/markdownify-mcp/issues/110",
        "https://vuldb.com/vuln/376298/cti",
        "https://github.com/zcaceres/markdownify-mcp/pull/111"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-310",
          "CWE-330"
        ],
        "cna_assigner": "VulDB",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "1.0"
                  },
                  {
                    "last_affected": "1.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14702.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-14702",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 502016,
  "published_at": "2026-07-05T04:00:08.361+00:00"
}