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CVE-2026-4502

Estado: AnalizadaMedia (6.5)—

IBM Langflow Desktop 1.2.0 through 1.8.4 Langflow could allow an authenticated attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to write arbitrary files on the system.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Langflow — Langflow Desktop

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2026-4502",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2026-4502",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
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              "automatable": "no"
            },
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              "technicalImpact": "partial"
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          ],
          "version": "2.0.3",
          "timestamp": "2026-05-01T14:57:03.183036Z"
        }
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    "cvssMetricV31": [
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          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@us.ibm.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:langflow_desktop:1.2.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:langflow_desktop:1.8.4:*:*:*:*:*:*:*"
          ],
          "vendor": "IBM",
          "product": "Langflow Desktop",
          "versions": [
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              "version": "1.2.0",
              "versionType": "semver",
              "lessThanOrEqual": "1.8.4"
            }
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  ],
  "published": "2026-04-30T21:16:33.533",
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      "url": "https://www.ibm.com/support/pages/node/7271097",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    }
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      "source": "psirt@us.ibm.com",
      "description": [
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          "lang": "en",
          "value": "CWE-22"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Langflow Desktop 1.2.0 through 1.8.4 Langflow could allow an authenticated attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing \"dot dot\" sequences (/../) to write arbitrary files on the system."
    }
  ],
  "lastModified": "2026-06-17T10:56:42.850",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndIncluding": "1.8.4",
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          "operator": "OR"
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  "sourceIdentifier": "psirt@us.ibm.com"
}