CVE-2026-104733

{
  "etk_id": "ETK-2026-340",
  "cve_id": "CVE-2026-104733",
  "display_id": "CVE-2026-104733",
  "ghsa_id": "GHSA-339c-8fr4-g2w4",
  "euvd_id": "EUVD-2026-91582",
  "status": "published",
  "anchor_state": "anchored",
  "title": "SASL PLAIN authorization identity validation flaw in ejabberd",
  "summary": "ProcessOne ejabberd versions through 26.04 are affected by insufficient validation of the authorization identity supplied through SASL PLAIN. An attacker able to use that mechanism may impersonate other users.",
  "mitigation": "Disable SASL PLAIN where operationally feasible, or limit access to the XMPP service to trusted clients and networks until an upstream fixed release is identified. Monitor ProcessOne ejabberd updates for a vendor-provided remediation.",
  "vendor": "ProcessOne",
  "product": "ejabberd",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 26.04"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "ejabberd",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 7.4,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:H/SI:H/SA:H/E:P",
  "epss_score": 0.0022,
  "epss_percentile": 0.1126,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 10.073685783333334,
  "t0_at": "2026-10-02T12:19:10.635000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-02T12:19:10.635000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-02T12:19:10.635000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-104733"
    }
  }
}