{"id":"DRUPAL-CONTRIB-2026-026","aliases":["CVE-2026-3531"],"title":"DRUPAL-CONTRIB-2026-026","description":"This module enables you to use an external OpenID Connect login provider to authenticate and log in users on your site. If a user signs in with a login provider for the first time on the website, a new Drupal user will be created.\n\nA visitor who successfully logs in to their Identity Provider and is denied access to Drupal through custom code or a server error will maintain their session at the Identity Provider, possibly leading to access bypass situations, especially in a shared computing environment.","severity":"unknown","score":null,"published":"2026-03-04T18:02:14.000Z","modified":"2026-09-10T03:46:03.722Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist:https://packages.drupal.org/8","name":"drupal/openid_connect","ranges":[{"events":[{"introduced":"0"},{"fixed":"1.5.0"}],"type":"ECOSYSTEM","database_specific":{"constraint":"<1.5.0"}}],"versions":[],"fixed":["1.5.0"]}],"references":["https://www.drupal.org/sa-contrib-2026-026"],"sources":[{"name":"OSV","id":"DRUPAL-CONTRIB-2026-026","modified":"2026-09-10T03:46:03.722949180Z","url":"https://osv.dev/vulnerability/DRUPAL-CONTRIB-2026-026"}],"assessments":[]}