{"id":"GHSA-68wq-phq7-p2vg","summary":"MultiFactor Authentication for SilverStripe can bypass MFA during password reset flow","details":"### Impact\nIn CMS 5, the password reset flow let a user with multi-factor authentication enabled change their password and get a logged-in session before completing multi-factor authentication. Exploiting this requires access to the user's email account. CMS 6 is not affected.","aliases":["CVE-2026-55186"],"modified":"2026-10-29T16:45:04.428778410Z","published":"2026-10-29T16:32:39Z","database_specific":{"github_reviewed_at":"2026-10-29T16:32:39Z","nvd_published_at":null,"cwe_ids":["CWE-288"],"severity":"MODERATE","github_reviewed":true},"references":[{"type":"WEB","url":"https://github.com/silverstripe/silverstripe-mfa/security/advisories/GHSA-68wq-phq7-p2vg"},{"type":"PACKAGE","url":"https://github.com/silverstripe/silverstripe-mfa"},{"type":"WEB","url":"https://github.com/silverstripe/silverstripe-mfa/releases/tag/6.0.0"},{"type":"WEB","url":"https://www.silverstripe.org/download/security-releases/cve-2026-55186"}],"affected":[{"package":{"name":"silverstripe/mfa","ecosystem":"Packagist","purl":"pkg:composer/silverstripe/mfa"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.0"}]}],"versions":["3.0.0","3.0.0-rc1","3.0.1","4.0.0","4.0.0-beta1","4.0.0-beta2","4.0.0-beta3","4.0.0-beta4","4.0.0-rc1","4.0.0-rc2","4.0.1","4.0.2","4.0.3","4.0.4","4.0.5","4.0.6","4.1.0","4.1.1","4.2.0","4.2.1","4.2.2","4.3.0","4.3.0-beta1","4.3.0-rc1","4.4.0","4.4.0-alpha1","4.4.0-beta1","4.4.0-rc1","4.5.0","4.5.1","4.6.1","4.6.2","4.6.3","4.7.0","4.7.0-beta1","4.7.0-rc1","4.8.0","4.8.0-beta1","4.8.0-rc1","4.8.1","4.8.2","4.8.3","5.0.0","5.0.0-beta1","5.0.0-beta2","5.0.0-rc1","5.0.1","5.1.0","5.1.0-beta1","5.1.0-rc1","5.1.1","5.2.0","5.2.0-beta1","5.2.0-rc1","5.2.1","5.2.2","5.2.3","5.2.4","5.3.0","5.3.0-beta1","5.3.0-rc1","5.3.1","5.4.0","5.4.0-beta1","5.4.0-rc1","5.4.1","5.4.2","5.4.3","5.4.4","6.0.0-alpha1","6.0.0-beta1","6.0.0-rc1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-68wq-phq7-p2vg/GHSA-68wq-phq7-p2vg.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N"}]}