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CVE-2025-14559

Estado: AplazadaMedia (6.5)—

A flaw was found in the keycloak-services component of Keycloak. This vulnerability allows the issuance of access and refresh tokens for disabled users, leading to unauthorized use of previously revoked privileges, via a business logic vulnerability in the Token Exchange implementation when a privileged client invokes the token exchange flow.

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)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Keycloak — Keycloak-servicesAI

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2025-14559",
  "cveTags": [],
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-01-21T14:29:08.373102Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secalert@redhat.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 1.2
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  "affected": [
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      "affectedData": [
        {
          "cpes": [
            "cpe:/a:redhat:build_keycloak:26.4::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat build of Keycloak 26.4",
          "versions": [
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              "version": "26.4.9-1",
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          "packageName": "keycloak-services",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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  "published": "2026-01-21T07:16:00.623",
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      "url": "https://access.redhat.com/errata/RHSA-2026:2365",
      "source": "secalert@redhat.com"
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      "url": "https://access.redhat.com/errata/RHSA-2026:2366",
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  "vulnStatus": "Deferred",
  "weaknesses": [
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      "description": [
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          "value": "CWE-840"
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      "value": "A flaw was found in the keycloak-services component of Keycloak. This vulnerability allows the issuance of access and refresh tokens for disabled users, leading to unauthorized use of previously revoked privileges, via a business logic vulnerability in the Token Exchange implementation when a privileged client invokes the token exchange flow."
    },
    {
      "lang": "es",
      "value": "Se encontró una falla en el componente keycloak-services de Keycloak. Esta vulnerabilidad permite la emisión de tokens de acceso y de actualización para usuarios deshabilitados, lo que lleva al uso no autorizado de privilegios previamente revocados, a través de una vulnerabilidad de lógica de negocio en la implementación de Token Exchange cuando un cliente privilegiado invoca el flujo de intercambio de tokens."
    }
  ],
  "lastModified": "2026-06-17T08:36:10.327",
  "sourceIdentifier": "secalert@redhat.com"
}