CVE-2026-121491

{
  "etk_id": "ETK-2026-3807",
  "cve_id": "CVE-2026-121491",
  "display_id": "CVE-2026-121491",
  "ghsa_id": "GHSA-qr57-vj96-mp6j",
  "euvd_id": "EUVD-2026-118943",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unauthenticated code injection in Fiber Admin",
  "summary": "Fiber Admin versions before 4.0.1 can write attacker-controlled request-header content into a regenerated PHP file. An unauthenticated attacker may execute code when the custom database error page is enabled and they can race an administrator updating settings.",
  "mitigation": "Update Fiber Admin to version 4.0.1 or later. Disable the custom database error page until the update is applied.",
  "vendor": null,
  "product": "Fiber Admin",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 3.1.0, < 4.0.1"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "4.0.1"
      ],
      "package_name": "Fiber Admin",
      "purl": null
    }
  ],
  "cwes": [
    94
  ],
  "cvss_score": 9,
  "cvss_src": "nvd",
  "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 29.374346883333335,
  "t0_at": "2026-11-07T06:00:26.885000+00:00",
  "signals": {
    "check": {
      "at": "2026-11-07T08:15:01.226706+00:00",
      "days": 0.09345302900462962,
      "is_lower_bound": false,
      "measured_at": "2026-11-07T06:00:26.885000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-11-07T06:00:26.885000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-07T06:00:26.885000+00:00",
      "url": "https://github.com/advisories/GHSA-qr57-vj96-mp6j"
    }
  }
}