CVE-2026-4502

{
  "id": "CVE-2026-4502",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-30T21:16:33.533",
  "lastModified": "2026-10-26T21:10:00.170",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "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."
    },
    {
      "lang": "es",
      "value": "IBM Langflow Desktop 1.2.0 hasta 1.8.4 Langflow podría permitir a un atacante autenticado recorrer directorios en el sistema. Un atacante podría enviar una solicitud URL especialmente diseñada que contenga secuencias ’punto punto’ (/.. / ) para escribir archivos arbitrarios en el sistema."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "Langflow Desktop",
          "defaultStatus": "unaffected",
          "cpes": [
            "cpe:2.3:a:ibm:langflow_desktop:1.2.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:langflow_desktop:1.8.4:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "version": "1.2.0",
              "lessThanOrEqual": "1.8.4",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-01T14:57:03.183036Z",
          "id": "CVE-2026-4502",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:langflow:langflow_desktop:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.2.0",
              "versionEndIncluding": "1.8.4",
              "matchCriteriaId": "4B9C49D8-B198-43A9-ACF6-ADEB4BA58A96"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7271097",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}