{"schema_version":"1.9.0","id":"DRUPAL-CONTRIB-2026-198","published":"2026-10-07T16:22:05Z","modified":"2026-10-07T20:15:05.836105109Z","aliases":["CVE-2026-107257"],"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.","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":"<2.0.1"}},{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.1"}],"database_specific":{"constraint":">=2.1.0 <2.1.1"}}],"database_specific":{"affected_versions":"<2.0.1 || >=2.1.0 <2.1.1","source":"https://github.com/DrupalSecurityTeam/drupal-advisory-database/blob/main/advisories/actstream/DRUPAL-CONTRIB-2026-198.json"}}],"references":[{"type":"WEB","url":"https://www.drupal.org/sa-contrib-2026-198"}],"credits":[{"name":"Marcus Johansson (marcus_johansson)","contact":["https://www.drupal.org/u/marcus_johansson"]}]}