{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 0.5.4"
      },
      "package": {
        "ecosystem": "NuGet",
        "name": "FormCMS"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-55797"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200",
      "CWE-284"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-09-30T21:50:52Z",
    "nvd_published_at": "2025-09-30T16:15:52Z",
    "severity": "MODERATE"
  },
  "details": "An improper access control vulnerability in FormCms v0.5.4 in the /api/schemas/history/[schemaId] endpoint allows unauthenticated attackers to access historical schema data if a valid schemaId is known or guessed.",
  "id": "GHSA-6cwx-42hw-w69c",
  "modified": "2025-09-30T21:50:52Z",
  "published": "2025-09-30T18:30:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-55797"
    },
    {
      "type": "WEB",
      "url": "https://github.com/formcms/formcms/issues/19"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FormCms"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/FormCms/FormCms"
    },
    {
      "type": "WEB",
      "url": "https://github.com/KKC73/me/tree/main/CVE-2025-55797"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "FormCMS has an improper access control vulnerability in the /api/schemas/history/[schemaId] endpoint"
}