CVE-2026-105741

{
  "etk_id": "ETK-2026-684",
  "cve_id": "CVE-2026-105741",
  "display_id": "CVE-2026-105741",
  "ghsa_id": "GHSA-4f6c-2vvp-gw82",
  "euvd_id": "EUVD-2026-92800",
  "status": "published",
  "anchor_state": "anchored",
  "title": "IP spoofing bypass in Langflow MCP configuration installation",
  "summary": "Langflow versions 1.5.0 through 1.10.2 do not reliably enforce the local-only restriction on the MCP configuration installation endpoint. An authenticated remote attacker may bypass that restriction and alter an MCP client configuration file on the server.",
  "mitigation": "Upgrade Langflow to version 1.10.3 or later. Until upgrades are complete, restrict access to the affected endpoint to trusted local or administrative networks.",
  "vendor": "langflow-ai",
  "product": "Langflow",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 1.5.0, < 1.10.3"
      ],
      "ecosystem": "pip",
      "fixed_versions": [
        "1.10.3"
      ],
      "package_name": "langflow",
      "purl": "pkg:pypi/langflow"
    }
  ],
  "cwes": [
    290
  ],
  "cvss_score": 7.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L",
  "epss_score": 0.0021,
  "epss_percentile": 0.1084,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 34.017966216666665,
  "t0_at": "2026-10-05T20:56:00.060000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-05T22:38:37.254404+00:00",
      "days": 0.07126382412037037,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T20:56:00.060000+00:00",
      "url": null
    },
    "public_poc": {
      "at": "2026-10-07T16:18:23+00:00",
      "days": 1.8072099537037036,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T20:56:00.060000+00:00",
      "url": "https://github.com/advisories/GHSA-4f6c-2vvp-gw82"
    },
    "trigger_signal": {
      "at": "2026-10-05T20:56:00.060000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T20:56:00.060000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-105741"
    }
  }
}