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CVE-2026-23795

Estado: AnalizadaMedia (4.9)—

Improper Restriction of XML External Entity Reference vulnerability in Apache Syncope Console. An administrator with adequate entitlements to create or edit Keymaster parameters via Console can construct malicious XML text to launch an XXE attack, thereby causing sensitive data leakage occurs.

This issue affects Apache Syncope: from 3.0 through 3.0.15, from 4.0 through 4.0.3.

Users are recommended to upgrade to version 3.0.16 / 4.0.4, which fix this issue.

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)

Apache — Syncope

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-23795",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-23795",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-02-03T16:00:29.202902Z"
        }
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    "cvssMetricV31": [
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        "type": "Secondary",
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
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        "exploitabilityScore": 1.2
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  "affected": [
    {
      "source": "security@apache.org",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Syncope",
          "versions": [
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              "status": "affected",
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  "published": "2026-02-03T16:16:13.390",
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  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@apache.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-611"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Restriction of XML External Entity Reference vulnerability in Apache Syncope Console.\nAn administrator with adequate entitlements to create or edit Keymaster parameters via Console can construct malicious XML text to launch an XXE attack, thereby causing sensitive data leakage occurs.\n\nThis issue affects Apache Syncope: from 3.0 through 3.0.15, from 4.0 through 4.0.3.\n\nUsers are recommended to upgrade to version 3.0.16 / 4.0.4, which fix this issue."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de restricción indebida de referencia a entidad externa XML en la Consola de Apache Syncope.\nUn administrador con los permisos adecuados para crear o editar parámetros de Keymaster a través de la Consola puede construir texto XML malicioso para lanzar un ataque XXE, causando así una fuga de datos sensibles.\n\nEste problema afecta a Apache Syncope: desde la 3.0 hasta la 3.0.15, desde la 4.0 hasta la 4.0.3.\n\nSe recomienda a los usuarios actualizar a la versión 3.0.16 / 4.0.4, que solucionan este problema."
    }
  ],
  "lastModified": "2026-06-17T10:22:06.653",
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