{
  "schemaVersion": 1,
  "incident": {
    "id": "cve-2026-8505",
    "url": "https://cveboard.org/i/cve-2026-8505",
    "urlPt": "https://cveboard.org/pt/i/cve-2026-8505",
    "json": "https://cveboard.org/i/cve-2026-8505.json",
    "kind": "vuln",
    "live": false,
    "knownExploited": false,
    "severity": "critical",
    "title": "Langflow: Unauthenticated Flow Execution via Webhook Authentication Bypass",
    "summary": "A vulnerability in Langflow's webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOK_AUTH_ENABLE configuration is set to False.",
    "titlePt": "Langflow: Execução de Fluxo Não Autenticada via Contorno de Autenticação de Webhook",
    "summaryPt": "Uma vulnerabilidade na lógica de autenticação de webhook do Langflow permite que usuários não autenticados acionem a execução de qualquer fluxo. O sistema ignora incorretamente a validação da chave de API quando a configuração WEBHOOK_AUTH_ENABLE está definida como False.",
    "cves": [
      "CVE-2026-8505"
    ],
    "ghsa": "GHSA-cf6m-vc3m-7cgm",
    "cvss": {
      "score": 9.8,
      "version": "3.1"
    },
    "epss": {
      "percentage": 0.00719,
      "percentile": 0.52512,
      "asOf": "2026-10-23"
    },
    "packages": [
      {
        "ecosystem": "pip",
        "name": "langflow",
        "vulnerable": ">= 1.7.0, <= 1.9.0",
        "fixed": "1.9.1",
        "advisory": "GHSA-cf6m-vc3m-7cgm"
      }
    ],
    "vendor": null,
    "product": null,
    "kev": null,
    "breach": null,
    "retracted": false,
    "sources": [
      {
        "label": "GitHub Advisory Database",
        "url": "https://github.com/advisories/GHSA-cf6m-vc3m-7cgm"
      }
    ],
    "publishedAt": "2026-10-05T22:31:22.000Z",
    "updatedAt": "2026-10-05T22:31:22.000Z"
  },
  "live": false,
  "events": [
    {
      "id": "ghsa:GHSA-cf6m-vc3m-7cgm:ghsa_published:2026-10-05T22:31:22.000Z",
      "incidentId": "cve-2026-8505",
      "type": "ghsa_published",
      "at": "2026-10-05T22:31:22.000Z",
      "detail": {
        "ghsa": "GHSA-cf6m-vc3m-7cgm",
        "severity": "critical",
        "fixed": "1.9.1"
      }
    }
  ]
}