CVE-2026-14865

{
  "id": "CVE-2026-14865",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-22T14:17:15.163",
  "lastModified": "2026-10-24T13:10:00.147",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Progress® Telerik® UI for AJAX prior to v2026.2.708, the internal LayoutBuilder control processes client-state XML without disabling DTD processing, allowing unauthenticated denial of service via recursive XML entity expansion."
    },
    {
      "lang": "es",
      "value": "En Progress® Telerik® UI for AJAX anterior a la v2026.2.708, el control interno LayoutBuilder procesa XML de estado de cliente sin deshabilitar el procesamiento de DTD, lo que permite una denegación de servicio no autenticada mediante expansión recursiva de entidades XML."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Progress Software",
          "product": "Telerik UI for ASP.NET AJAX",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "2009.1.314",
              "lessThan": "2026.2.708",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-22T19:09:57.174189Z",
          "id": "CVE-2026-14865",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-776"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:progress:telerik_ui_for_asp.net_ajax:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "2009.31314",
              "versionEndExcluding": "2026.2.708",
              "matchCriteriaId": "E022FD99-4A6C-4D0A-938D-92C6B48260F7"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rlb-xxe-injection-client-state-cve-2026-14865",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory",
        "Mitigation"
      ]
    }
  ]
}