FKIE_CVE-2026-1518

Vulnerability from fkie_nvd - Published: 2026-02-02 08:16 - Updated: 2026-02-03 16:44
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Summary
A flaw was found in Keycloak’s CIBA feature where insufficient validation of client-configured backchannel notification endpoints could allow blind server-side requests to internal services.
References
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2026-1518
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2433727
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in Keycloak\u2019s CIBA feature where insufficient validation of client-configured backchannel notification endpoints could allow blind server-side requests to internal services."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 un fallo en la caracter\u00edstica CIBA de Keycloak donde una validaci\u00f3n insuficiente de los puntos finales de notificaci\u00f3n de canal de retorno configurados por el cliente podr\u00eda permitir solicitudes ciegas del lado del servidor a servicios internos."
    }
  ],
  "id": "CVE-2026-1518",
  "lastModified": "2026-02-03T16:44:36.630",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 2.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 1.4,
        "source": "secalert@redhat.com",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-02-02T08:16:06.217",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/security/cve/CVE-2026-1518"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2433727"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.