{"id":"CVE-2026-107257","aliases":["DRUPAL-CONTRIB-2026-198","EUVD-2026-113577","GHSA-49qr-j2v8-5wg8"],"status":"published","title":"Actstream - Critical - Access bypass - SA-CONTRIB-2026-198","description":"Incorrect Authorization vulnerability in Drupal Actstream allows Forceful Browsing. This issue affects Actstream versions: from 0.0.0 to 2.0.1, from 2.1.0 to 2.1.1.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00194,"percentile":0.09185,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2026-10-07T16:22:05Z","modified":"2026-11-01T02:30:24Z","fixes":[{"ecosystem":"Packagist:https://packages.drupal.org/8","package":"drupal/actstream","fixed_in":["2.0.1","2.1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Packagist:https://packages.drupal.org/8","package":"drupal/actstream","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.1"}]},{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.1"}]}]}],"products":[{"vendor":"drupal","product":"actstream"}],"references":[{"url":"https://www.drupal.org/sa-contrib-2026-198","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107257","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-49qr-j2v8-5wg8"},{"url":"https://git.drupalcode.org/project/actstream","tags":["web"]},{"url":"https://www.drupal.org/project/actstream","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107257.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-107257","title":"Actstream - Critical - Access bypass - SA-CONTRIB-2026-198","description":"Incorrect Authorization vulnerability in Drupal Actstream allows Forceful Browsing. This issue affects Actstream versions: from 0.0.0 to 2.0.1, from 2.1.0 to 2.1.1.","status":"published","published":"2026-10-30T03:10:17.831Z","modified":"2026-10-30T20:00:02.424Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T13:45:14.072357Z"}],"euvd":[{"id":"EUVD-2026-113577","description":"Incorrect Authorization vulnerability in Drupal Actstream allows Forceful Browsing. This issue affects Actstream versions: from 0.0.0 to 2.0.1, from 2.1.0 to 2.1.1.","status":"published","published":"2026-10-30T03:10:17Z","modified":"2026-10-30T20:00:02Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T16:59:01.965054Z"}],"ghsa":[{"id":"GHSA-49qr-j2v8-5wg8","title":"Incorrect Authorization vulnerability in Drupal Actstream allows Forceful Browsing. This issue...","description":"Incorrect Authorization vulnerability in Drupal Actstream allows Forceful Browsing. This issue affects Actstream versions: from 0.0.0 to 2.0.1, from 2.1.0 to 2.1.1.","status":"published","published":"2026-10-30T06:31:49Z","modified":"2026-10-30T21:32:06Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:14:52.597654Z"}],"nvd":[{"id":"CVE-2026-107257","description":"Incorrect Authorization vulnerability in Drupal Actstream allows Forceful Browsing. This issue affects Actstream versions: from 0.0.0 to 2.0.1, from 2.1.0 to 2.1.1.","status":"published","published":"2026-10-30T04:17:53.833Z","modified":"2026-10-30T20:16:55.613Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:13:04.940026Z"}],"osv":[{"id":"CVE-2026-107257","title":"Actstream - Critical - Access bypass - SA-CONTRIB-2026-198","description":"Incorrect Authorization vulnerability in Drupal Actstream allows Forceful Browsing. This issue affects Actstream versions: from 0.0.0 to 2.0.1, from 2.1.0 to 2.1.1.","status":"published","published":"2026-10-30T03:10:17.831Z","modified":"2026-11-01T02:30:24.974730777Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:44:54.933106Z"},{"id":"DRUPAL-CONTRIB-2026-198","description":"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.","status":"published","published":"2026-10-07T16:22:05Z","modified":"2026-10-07T20:15:05.836105109Z","updated_at":"2026-11-02T15:46:13.900249Z"}]}}