{"id":"GHSA-4f8q-mwgc-3mwc","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.","aliases":["CVE-2025-31691","DRUPAL-CONTRIB-2025-020"],"modified":"2025-12-10T23:41:10.210993Z","published":"2025-04-01T00:30:35Z","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"},"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"}],"affected":[{"package":{"name":"drupal/oauth2_server","ecosystem":"Packagist","purl":"pkg:composer/drupal/oauth2_server"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-4f8q-mwgc-3mwc/GHSA-4f8q-mwgc-3mwc.json"}}],"schema_version":"1.9.0","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"}]}