CVE-2026-50054

{
  "etk_id": "ETK-2026-1060",
  "cve_id": "CVE-2026-50054",
  "display_id": "CVE-2026-50054",
  "ghsa_id": "GHSA-6c75-c59q-9624",
  "euvd_id": "EUVD-2026-95097",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Authorization flaw in Zimbra GrantRightsRequest",
  "summary": "Zimbra Collaboration Suite is affected by an authorization weakness in GrantRightsRequest. An attacker who can use an authenticated account may assign another local account impersonation-related access, enabling continued mailbox access and message sending even after normal credential or session invalidation.",
  "mitigation": "Upgrade Zimbra Collaboration Suite to version 10.1.20. Review existing delegated and impersonation-related rights for unexpected local-account assignments and remove unauthorized entries.",
  "vendor": "Zimbra",
  "product": "Zimbra Collaboration Suite",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 10.1.20"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.1.20"
      ],
      "package_name": "Zimbra Collaboration Suite",
      "purl": null
    }
  ],
  "cwes": [
    269
  ],
  "cvss_score": 7.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N",
  "epss_score": 0.0017,
  "epss_percentile": 0.0613,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 19.31881875,
  "t0_at": "2026-10-08T16:25:37.442000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-08T16:25:37.442000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-08T16:25:37.442000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-50054"
    }
  }
}