CVE-2026-55423

{
  "id": "CVE-2026-55423",
  "sourceIdentifier": "[email protected]",
  "published": "2026-06-23T17:17:08.283",
  "lastModified": "2026-10-25T23:10:00.167",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.7.0, the logout button does not clear the session. The previous user stays logged in unless another user explicitly logs in. This vulnerability is fixed in 1.7.0."
    },
    {
      "lang": "es",
      "value": "Langflow es una herramienta para construir y desplegar agentes y flujos de trabajo impulsados por IA. Antes de la versión 1.7.0, el botón de cerrar sesión no borra la sesión. El usuario anterior permanece conectado a menos que otro usuario inicie sesión explícitamente. Esta vulnerabilidad se corrige en la versión 1.7.0."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "langflow-ai",
          "product": "langflow",
          "versions": [
            {
              "version": "< 1.7.0",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "attackVector": "PHYSICAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 5.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-06-23T17:06:31.440801Z",
          "id": "CVE-2026-55423",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-613"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "1.7.0",
              "matchCriteriaId": "9D34B381-00FD-4F7D-8B5F-96C3C152B852"
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  ],
  "references": [
    {
      "url": "https://github.com/langflow-ai/langflow/pull/10527",
      "source": "[email protected]",
      "tags": [
        "Issue Tracking",
        "Patch"
      ]
    },
    {
      "url": "https://github.com/langflow-ai/langflow/pull/10528",
      "source": "[email protected]",
      "tags": [
        "Issue Tracking",
        "Exploit"
      ]
    },
    {
      "url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-7hw8-6q6r-4276",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory",
        "Exploit",
        "Patch"
      ]
    }
  ]
}