CVE-2026-93903

{
  "etk_id": "ETK-2026-117",
  "cve_id": "CVE-2026-93903",
  "display_id": "CVE-2026-93903",
  "ghsa_id": "GHSA-8x5w-4247-99g6",
  "euvd_id": "EUVD-2026-89955",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Internal redirect URL validation flaw in LiteSpeed Web Server",
  "summary": "LiteSpeed Web Server versions before 6.3.7 build 1 contain an internal redirect URL validation flaw. The advisory does not specify what an attacker can achieve, required access, or conditions beyond an unspecified edge case.",
  "mitigation": "Upgrade LiteSpeed Web Server to version 6.3.7 build 1 or later.",
  "vendor": "litespeedtech",
  "product": "LiteSpeed Web Server",
  "affected": [
    {
      "affected_notes": [
        ">= 0, < 6.3.7 build 1"
      ],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [
        "6.3.7 build 1"
      ],
      "package_name": "LiteSpeed Web Server",
      "purl": null
    }
  ],
  "cwes": [
    174
  ],
  "cvss_score": 9.4,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
  "epss_score": 0.0026,
  "epss_percentile": 0.1622,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 41.19951585,
  "t0_at": "2026-09-30T13:44:11.915000+00:00",
  "signals": {
    "check": {
      "at": "2026-09-30T15:13:40.631182+00:00",
      "days": 0.06213791877314815,
      "is_lower_bound": false,
      "measured_at": "2026-09-30T13:44:11.915000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-09-30T13:44:11.915000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-09-30T13:44:11.915000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-93903"
    }
  }
}