CVE-2026-113682

{
  "etk_id": "ETK-2026-2189",
  "cve_id": "CVE-2026-113682",
  "display_id": "CVE-2026-113682",
  "ghsa_id": "GHSA-56rq-859m-p974",
  "euvd_id": "EUVD-2026-105098",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Authentication bypass in networknt light-4j BasicAuthHandler",
  "summary": "networknt light-4j versions 2.1.5 through before 2.4.0 are affected by an authentication bypass in BasicAuthHandler. An unauthenticated attacker may authenticate as an LDAP/AD-delegated user when the affected Basic authentication and delegated directory authentication configuration is in use.",
  "mitigation": "Upgrade light-4j to version 2.4.0. Until the upgrade is complete, restrict exposure of services that use BasicAuthHandler with LDAP or Active Directory delegation.",
  "vendor": "networknt",
  "product": "light-4j",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 2.1.5, < 2.4.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "2.4.0"
      ],
      "package_name": "light-4j",
      "purl": null
    }
  ],
  "cwes": [
    287
  ],
  "cvss_score": 9.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 25.44646983333333,
  "t0_at": "2026-10-20T15:40:42.500000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-20T15:40:42.500000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-20T15:40:42.500000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-113682"
    }
  }
}