CVE-2026-8355

{
  "etk_id": "ETK-2026-2180",
  "cve_id": "CVE-2026-8355",
  "display_id": "CVE-2026-8355",
  "ghsa_id": "GHSA-6f4r-8687-5x9p",
  "euvd_id": "EUVD-2026-104673",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Server-side request forgery in ContextForge MCP Gateway",
  "summary": "ContextForge MCP Gateway 0.1.0 through 1.0.5 can make server-originated requests to attacker-selected network destinations during OAuth-enabled gateway registration. An authenticated user with permission to create gateways could reach internal or cloud metadata services and may receive a limited portion of an invalid response.",
  "mitigation": "Restrict gateway-creation privileges and enforce outbound network controls that block the gateway from reaching internal administrative services and cloud metadata endpoints. No fixed version is recorded; apply a vendor update when one is published.",
  "vendor": "IBM",
  "product": "ContextForge MCP Gateway",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0.1.0, <= 1.0.5"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "ContextForge MCP Gateway",
      "purl": null
    }
  ],
  "cwes": [
    918
  ],
  "cvss_score": 5.4,
  "cvss_src": "nvd",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
  "epss_score": 0.0018,
  "epss_percentile": 0.0736,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 27.787971966666667,
  "t0_at": "2026-10-19T23:42:01.778000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-19T23:42:01.778000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-19T23:42:01.778000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-8355"
    }
  }
}