CVE-2026-105211

{
  "etk_id": "ETK-2026-564",
  "cve_id": "CVE-2026-105211",
  "display_id": "CVE-2026-105211",
  "ghsa_id": "GHSA-mq63-7hcv-jfrc",
  "euvd_id": "EUVD-2026-92104",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Authentication bypass in ZITADEL Login V2",
  "summary": "ZITADEL Login V2 versions before 4.17.1 can permit unauthenticated account takeover. An attacker needs the login name of a target account configured with email and SMS one-time-password factors; privileged accounts may also be affected.",
  "mitigation": "Upgrade ZITADEL to version 4.17.1 or later. Prioritize systems using Login V2 and accounts configured with both email and SMS OTP factors.",
  "vendor": "zitadel",
  "product": "zitadel",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 4.17.1"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "4.17.1"
      ],
      "package_name": "zitadel",
      "purl": null
    }
  ],
  "cwes": [
    200
  ],
  "cvss_score": 9.2,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
  "epss_score": 0.0033,
  "epss_percentile": 0.2507,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 18.321074883333335,
  "t0_at": "2026-10-04T13:10:04.626000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-04T13:10:04.626000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-04T13:10:04.626000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-105211"
    }
  }
}