{"id":"DRUPAL-CONTRIB-2026-198","details":"Actstream (short for Activity Stream) aggregates a user's activity from external services (RSS feeds, etc.) into per-user activity stream entities.\n\nThe configuration route does not sufficiently check that the user editing it is the account owner (or a user administrator) leading to an access bypass vulnerability.","aliases":["CVE-2026-107257"],"modified":"2026-10-07T20:15:05.836105109Z","published":"2026-10-07T16:22:05Z","references":[{"type":"WEB","url":"https://www.drupal.org/sa-contrib-2026-198"}],"affected":[{"package":{"name":"drupal/actstream","ecosystem":"Packagist:https://packages.drupal.org/8","purl":"pkg:composer/drupal/actstream?repository_url=https:%2F%2Fpackages.drupal.org%2F8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.1"}],"database_specific":{"constraint":"\u003c2.0.1"}},{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.1"}],"database_specific":{"constraint":"\u003e=2.1.0 \u003c2.1.1"}}],"database_specific":{"affected_versions":"\u003c2.0.1 || \u003e=2.1.0 \u003c2.1.1","source":"https://github.com/DrupalSecurityTeam/drupal-advisory-database/blob/main/advisories/actstream/DRUPAL-CONTRIB-2026-198.json"}}],"schema_version":"1.9.0","credits":[{"name":"Marcus Johansson (marcus_johansson)","contact":["https://www.drupal.org/u/marcus_johansson"]}]}