CVE-2026-105208

{
  "etk_id": "ETK-2026-573",
  "cve_id": "CVE-2026-105208",
  "display_id": "CVE-2026-105208",
  "ghsa_id": "GHSA-xv85-7fx2-46j9",
  "euvd_id": "EUVD-2026-92101",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Malleable IdP intent token encryption in ZITADEL",
  "summary": "ZITADEL 4.x before 4.17.3 and 3.x through 3.4.15 inadequately protects IdP intent tokens from modification. An authenticated attacker who can predict a victim's active intent identifier and win a timing race may obtain IdP tokens or take over the victim's session.",
  "mitigation": "Upgrade ZITADEL to 4.17.3 or later. Move affected 3.x deployments to a fixed 4.x release.",
  "vendor": "zitadel",
  "product": "zitadel",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 4.17.3"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "4.17.3"
      ],
      "package_name": "zitadel",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 4.19.4"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "zitadel",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 7.7,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N",
  "epss_score": 0.0008,
  "epss_percentile": 0.0018,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 41.86025935,
  "t0_at": "2026-10-04T13:10:02.664000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-07T04:16:04.707322+00:00",
      "days": 2.6291903162268517,
      "is_lower_bound": false,
      "measured_at": "2026-10-04T13:10:02.664000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-04T13:10:02.664000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-04T13:10:02.664000+00:00",
      "url": "https://github.com/advisories/GHSA-xv85-7fx2-46j9"
    }
  }
}