CVE-2026-104908

{
  "etk_id": "ETK-2026-363",
  "cve_id": "CVE-2026-104908",
  "display_id": "CVE-2026-104908",
  "ghsa_id": "GHSA-h9vw-jjgr-29wc",
  "euvd_id": "EUVD-2026-91745",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Improper input validation in MISP decaying-model imports",
  "summary": "MISP versions before 2.5.48 are affected in the decaying-model import feature. An authenticated user granted decaying-model permissions can change existing models across organizational boundaries, including ownership and default-model settings, potentially affecting scoring for other users.",
  "mitigation": "Upgrade MISP to version 2.5.48 or later. Until upgraded, remove decaying-model permissions from untrusted accounts and restrict access to the MISP instance.",
  "vendor": "MISP",
  "product": "MISP",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 2.5.48"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "2.5.48"
      ],
      "package_name": "MISP",
      "purl": null
    }
  ],
  "cwes": [
    915
  ],
  "cvss_score": 7.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
  "epss_score": 0.0029,
  "epss_percentile": 0.1996,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 32.064901133333336,
  "t0_at": "2026-10-02T15:56:13.969000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-02T15:56:13.969000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-02T15:56:13.969000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-104908"
    }
  }
}