ETK-2026-362Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-362",
  "cve_id": null,
  "display_id": "ETK-2026-362",
  "ghsa_id": null,
  "euvd_id": null,
  "status": "retired",
  "anchor_state": "awaiting_cve",
  "title": "Authentication bypass in better-auth Magic Link OAuth flows",
  "summary": "better-auth versions 1.4.0-beta.18 through 1.7.6 can allow account impersonation when Magic Link and social or Generic OAuth sign-in are enabled with database-backed OAuth state and affected token-storage settings. An unauthenticated attacker who knows an email address may obtain a session for that account without access to its mailbox.",
  "mitigation": "Upgrade better-auth to 1.7.7 and keep its related adapters, plugins, and integrations on the corresponding release. Until upgraded, use cookie-backed OAuth state or disable Magic Link or social/Generic OAuth sign-in.",
  "vendor": "npm",
  "product": "npm:better-auth",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 1.4.0-beta.18, < 1.7.7"
      ],
      "ecosystem": "npm",
      "fixed_versions": [
        "1.7.7"
      ],
      "package_name": "better-auth",
      "purl": "pkg:npm/better-auth"
    }
  ],
  "cwes": [
    287
  ],
  "cvss_score": 9.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": null,
  "t0_at": null,
  "signals": {}
}