{
  "affected": [
    {
      "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"
      },
      "package": {
        "ecosystem": "Packagist",
        "name": "silverstripe/mfa",
        "purl": "pkg:composer/silverstripe/mfa"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "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"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-55186"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-288"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-10-29T16:32:39Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "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.",
  "id": "GHSA-68wq-phq7-p2vg",
  "modified": "2026-11-03T21:00:04.225678450Z",
  "published": "2026-10-29T16:32:39Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/silverstripe/silverstripe-mfa/security/advisories/GHSA-68wq-phq7-p2vg"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/mfa/CVE-2026-55186.yaml"
    },
    {
      "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"
    }
  ],
  "schema_version": "1.9.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "MultiFactor Authentication for SilverStripe can bypass MFA during password reset flow"
}