{
  "schema_version": "1.4.0",
  "id": "GHSA-4f8q-mwgc-3mwc",
  "modified": "2025-04-29T20:25:20Z",
  "published": "2025-04-01T00:30:35Z",
  "aliases": [
    "CVE-2025-31691"
  ],
  "summary": "Drupal OAuth2 Server Missing Authorization vulnerability",
  "details": "Missing Authorization vulnerability in Drupal OAuth2 Server allows Forceful Browsing. This issue affects OAuth2 Server: from 0.0.0 before 2.1.0.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
    },
    {
      "type": "CVSS_V4",
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "drupal/oauth2_server"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.0"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-31691"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.drupalcode.org/project/oauth2_server"
    },
    {
      "type": "WEB",
      "url": "https://www.drupal.org/sa-contrib-2025-020"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "severity": "HIGH",
    "github_reviewed": true,
    "github_reviewed_at": "2025-04-02T17:13:34Z",
    "nvd_published_at": "2025-03-31T22:15:21Z"
  }
}